Magento 2 version 2.4.7-p2 “Page Builder was rendering for 5 seconds without releasing locks” error.

[sunit9]

Preconditions and environment

Magento 2.4.7-p2

Steps to reproduce

1. Login to magento admin
2. Content -> Block -> Add new block
3. Add Block Title
4. Add Identifier
5. Click on Save

Expected result

Block should be save successfully.

Actual result

On screen only loader display and in console getting error.
Page Builder was rendering for 5 seconds without releasing locks

Additional information

No response

Release note

No response

Triage and priority

• Severity: S0 - Affects critical data or functionality and leaves users without workaround.
• Severity: S1 - Affects critical data or functionality and forces users to employ a workaround.
• Severity: S2 - Affects non-critical data or functionality and forces users to employ a workaround.
• Severity: S3 - Affects non-critical data or functionality and does not force users to employ a workaround.
• Severity: S4 - Affects aesthetics, professional look and feel, “quality” or “usability”.

[m2-assistant]

Hi @sunit9. Thank you for your report.
To speed up processing of this issue, make sure that the issue is reproducible on the vanilla Magento instance following Steps to reproduce. To deploy vanilla Magento instance on our environment, Add a comment to the issue:

• @magento give me 2.4-develop instance - upcoming 2.4.x release
• For more details, review the Magento Contributor Assistant documentation.
• Add a comment to assign the issue: @magento I am working on this
• To learn more about issue processing workflow, refer to the Code Contributions.

---

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📞 The triage of issues happens in the queue order. If you want to speed up the delivery of your contribution, join the Community Contributions Triage session to discuss the appropriate ticket.

[Bashev]

looks like same with this: #37516 and #37798

[sunit9]

I have check in firefox but not working.
My chrome version is Version 127.0.6533.119 (Official Build) (64-bit)
I check same things for 2.4.6-p2 and it's working fine.

[m2-assistant]

Hi @engcom-Bravo. Thank you for working on this issue.
In order to make sure that issue has enough information and ready for development, please read and check the following instruction: 👇

• 1. Verify that issue has all the required information. (Preconditions, Steps to reproduce, Expected result, Actual result).
• 2. Verify that issue has a meaningful description and provides enough information to reproduce the issue.
• 3. Add Area: XXXXX label to the ticket, indicating the functional areas it may be related to.
• 4. Verify that the issue is reproducible on 2.4-develop branch
  Details

  - Add the comment @magento give me 2.4-develop instance to deploy test instance on Magento infrastructure.
  - If the issue is reproducible on 2.4-develop branch, please, add the label Reproduced on 2.4.x.
  - If the issue is not reproducible, add your comment that issue is not reproducible and close the issue and stop verification process here!
• 5. Add label Issue: Confirmed once verification is complete.
• 6. Make sure that automatic system confirms that report has been added to the backlog.

[medigeek]

I think your problem is with mageno 2.4 and CORS - apache htaccess or nginx requires some tweaking

Check your browser's javascript console log.

Access to script at 'https://example.com/static/versionXXXXXXXXXX/adminhtml/Magento/backend/en_US/requirejs-config.js' from origin 'null' has been blocked by CORS policy: No 'Access-Control-Allow-Origin' header is present on the requested resource.

The solution is explained here:
https://magento.stackexchange.com/a/170726

Had the same issue. The above worked for a support case. Hopefully it will work for you too.

From the magento stack exchange:

I faced the same problem with a Magento setup with Nginx.

I share you my working configuration which solve this CORS problem for an headless Magento use case (API).

[...] (don't do the API location /rest as it may break some sites)

Some Allow-Headers is not mandatory, try to test which are on your case.

Then add headers on all other requests :

location ~ (index|get|static|report|404|503)\.php$ {
    .....
    .....

    add_header 'Access-Control-Allow-Origin' '*' always;
    add_header 'Access-Control-Allow-Methods' 'GET, POST, PUT, DELETE, OPTIONS' always;
    add_header 'Access-Control-Allow-Headers' 'DNT,Authorization,X-CustomHeader,Keep-Alive,User-Agent,Origin,Referer,X-HTTP-Method-Override,X-Accept-Charset,X-Accept,Accept,Access-Control-Request-Method,Access-Control-Request-Headers,X-Requested-With,If-Modified-Since,Cache-Control,Content-Type' always;
}

Make sure to keep the always option in order to add these headers for response code other than : 200, 201, 204, 206, 301, 302, 303, 304, 307, or 308

Make sure you do not have basic auth authentication behind. If not, update the configuration in order to allow the OPTIONS CORS request made from your browser.

[engcom-Bravo]

@magento give me 2.4.7-p2 instance

[magento-deployment-service]

Hi @engcom-Bravo. Thank you for your request. I'm working on Magento instance for you.

[magento-deployment-service]

Hi @engcom-Bravo, here is your Magento Instance: https://14ab03d38900151067a7d8dc2d86d5f6.instances-prod.magento-community.engineering
Admin access: https://14ab03d38900151067a7d8dc2d86d5f6.instances-prod.magento-community.engineering/admin_90c5
Login: ab3740ba
Password: 79aeae1bb903

[engcom-Bravo]

@medigeek Thanks for your Contribution!!

Hi @sunit9,

Thanks for your reporting and collaboration.

Could you please refer this comment #39076 (comment). which resolves your issue and please let us know if you are still facing any issue.

Thanks.

[sunit9]

I have change in following file
vendor/magento/module-page-builder/view/adminhtml/web/template/page-builder.html

<iframe attr="id: 'render_frame_' + id" sandbox="allow-scripts" style="position: absolute; width:0; height:0; border: none;"></iframe>

To

<iframe attr="id: 'render_frame_' + id" sandbox="allow-scripts allow-same-origin" style="position: absolute; width:0; height:0; border: none;"></iframe>

In sandbox i append "allow-same-origin"

It works for me. I do not have idea it's good solution or not. If anyone know then please advise.

[chrisoliver90]

Adobe Commerce confirmed this issue on our 2.4.7-p1 install and offered us the following patch that fixed it (ACSD-59582_2.4.7)
Save as ACSD-59582_2.4.7.patch and add to m2-hotfixes directory

diff --git a/vendor/magento/module-backend/ViewModel/RequireJsConfigModifierInterface.php b/vendor/magento/module-backend/ViewModel/RequireJsConfigModifierInterface.php
new file mode 100644
index 000000000000..07bd7ca989e6
--- /dev/null
+++ b/vendor/magento/module-backend/ViewModel/RequireJsConfigModifierInterface.php
@@ -0,0 +1,22 @@
+<?php
+/**
+ * Copyright 2024 Adobe
+ * All Rights Reserved.
+ */
+declare(strict_types=1);
+
+namespace Magento\Backend\ViewModel;
+
+/**
+ * View model interface for requirejs configuration modifier
+ */
+interface RequireJsConfigModifierInterface
+{
+    /**
+     * Modifies requirejs configuration
+     *
+     * @param array $config requirejs configuration
+     * @return array
+     */
+    public function modify(array $config): array;
+}
diff --git a/vendor/magento/module-backend/view/adminhtml/templates/page/js/require_js.phtml b/vendor/magento/module-backend/view/adminhtml/templates/page/js/require_js.phtml
index 6fa41e107995..1b1a5d7fcaf3 100644
--- a/vendor/magento/module-backend/view/adminhtml/templates/page/js/require_js.phtml
+++ b/vendor/magento/module-backend/view/adminhtml/templates/page/js/require_js.phtml
@@ -5,12 +5,20 @@
  */
 
 /** @var \Magento\Framework\View\Helper\SecureHtmlRenderer $secureRenderer */
+/** @var \Magento\Backend\Block\Page\RequireJs $block */
+
+$requireJsConfig = [
+    'baseUrl' => $block->getViewFileUrl('/'),
+];
+
+$configModifier = $block->getConfigModifier();
+$requireJsConfig = $configModifier instanceof \Magento\Backend\ViewModel\RequireJsConfigModifierInterface
+    ? $configModifier->modify($requireJsConfig)
+    : $requireJsConfig;
 
 $scriptString = '
     var BASE_URL = \'' . /* @noEscape */ $block->getUrl('*') . '\';
     var FORM_KEY = \'' . /* @noEscape */ $block->getFormKey() . '\';
-    var require = {
-        \'baseUrl\': \'' . /* @noEscape */ $block->getViewFileUrl('/') . '\'
-    };';
-
-echo /* @noEscape */ $secureRenderer->renderTag('script', [], $scriptString, false);
+    var require = ' . /* @noEscape */ json_encode($requireJsConfig) .';';
+?>
+<?= /* @noEscape */ $secureRenderer->renderTag('script', [], $scriptString, false) ?>
diff --git a/vendor/magento/module-page-builder/ViewModel/StageRenderFrameRequireJsConfigModifier.php b/vendor/magento/module-page-builder/ViewModel/StageRenderFrameRequireJsConfigModifier.php
new file mode 100644
index 000000000..1ae244b03
--- /dev/null
+++ b/vendor/magento/module-page-builder/ViewModel/StageRenderFrameRequireJsConfigModifier.php
@@ -0,0 +1,37 @@
+<?php
+/**
+ * Copyright 2024 Adobe
+ * All Rights Reserved.
+ */
+declare(strict_types=1);
+
+namespace Magento\PageBuilder\ViewModel;
+
+use Magento\Backend\ViewModel\RequireJsConfigModifierInterface;
+use Magento\Framework\View\Element\Block\ArgumentInterface;
+
+/**
+ * Modifies requirejs configuration for the stage render frame
+ *
+ * Override the text! plugin within the iframe to ensure we can pipe any XHR requests through to the parent window
+ * as the same origin policy will not allow us to load the templates within this iframe.
+ * It is important that this mapping is configured before requirejs-config.js to ensure the text! plugin is overridden
+ * for all requests.
+ */
+class StageRenderFrameRequireJsConfigModifier implements ArgumentInterface, RequireJsConfigModifierInterface
+{
+    /**
+     * @inheritDoc
+     */
+    public function modify(array $config): array
+    {
+        $config['map']['*'] = array_merge(
+            $config['map']['*'] ?? [],
+            [
+                'text' => 'Magento_PageBuilder/js/master-format/render/requirejs/text',
+                'Magento_PageBuilder/js/events' => 'Magento_PageBuilder/js/master-format/render/events'
+            ]
+        );
+        return $config;
+    }
+}
diff --git a/vendor/magento/module-page-builder/view/adminhtml/layout/pagebuilder_stage_render.xml b/vendor/magento/module-page-builder/view/adminhtml/layout/pagebuilder_stage_render.xml
index 6a95e8e87..c40005870 100644
--- a/vendor/magento/module-page-builder/view/adminhtml/layout/pagebuilder_stage_render.xml
+++ b/vendor/magento/module-page-builder/view/adminhtml/layout/pagebuilder_stage_render.xml
@@ -14,6 +14,13 @@
         <remove src="css/styles.css"/>
     </head>
     <body>
+        <referenceBlock name="require.js">
+            <arguments>
+                <argument name="config_modifier" xsi:type="object">
+                    Magento\PageBuilder\ViewModel\StageRenderFrameRequireJsConfigModifier
+                </argument>
+            </arguments>
+        </referenceBlock>
         <referenceContainer name="backend.page" remove="true"/>
         <referenceContainer name="menu.wrapper" remove="true"/>
         <referenceContainer name="root">
diff --git a/vendor/magento/module-page-builder/view/adminhtml/templates/stage/render.phtml b/vendor/magento/module-page-builder/view/adminhtml/templates/stage/render.phtml
index 6e96a2757..2586df2b3 100644
--- a/vendor/magento/module-page-builder/view/adminhtml/templates/stage/render.phtml
+++ b/vendor/magento/module-page-builder/view/adminhtml/templates/stage/render.phtml
@@ -10,33 +10,16 @@
  */
 ?>
 
-<?php
-/**
- * Override the text! plugin within the iframe to ensure we can pipe any XHR requests through to the parent window
- * as the same origin policy will not allow us to load the templates within this iframe.
- */
-?>
 <?php
 $pageBuilderConfig = $block->getPageBuilderConfig();
 
-$script = <<<SCRIPT
-   require.config({
-       'map': {
-           '*': {
-               'text': 'Magento_PageBuilder/js/master-format/render/requirejs/text',
-               'Magento_PageBuilder/js/events': 'Magento_PageBuilder/js/master-format/render/events'
-           }
-       }
-   });
-SCRIPT;
-
 /**
  * To be able to override the text plugin we need the Magento template engine to be used, as the template engine
  * within lib has a dependency on the text! plugin we need to ensure we set the template engine before the
  * dependency blocks us. If we try to just override using the RequireJS config above our !text plugin will never
  * get overridden as our template engine cannot load.
  */
-$script .= <<<SCRIPT
+$script = <<<SCRIPT
     require([
         'ko',
         'Magento_Ui/js/lib/knockout/template/engine'
diff --git a/vendor/magento/module-page-builder/view/adminhtml/web/template/page-builder.html b/vendor/magento/module-page-builder/view/adminhtml/web/template/page-builder.html
index 8b495ce72..1ff74d860 100644
--- a/vendor/magento/module-page-builder/view/adminhtml/web/template/page-builder.html
+++ b/vendor/magento/module-page-builder/view/adminhtml/web/template/page-builder.html
@@ -31,6 +31,7 @@
         <with args="stage">
             <render></render>
         </with>
-        <iframe attr="id: 'render_frame_' + id" sandbox="allow-scripts allow-same-origin" style="position: absolute; width:0; height:0; border: none;"></iframe>
+        <!-- Do not modify the "sandbox" attribute without approval from a security engineer -->
+        <iframe attr="id: 'render_frame_' + id" sandbox="allow-scripts" style="position: absolute; width:0; height:0; border: none;"></iframe>
     </if>
 </div>

[hostep]

Adding allow-same-origin is considered a security issue according to the comment in the patch mentioned above. So I wouldn't do that.

Based on the patch above (thanks @chrisoliver90!), here are commits that fix this in Magento OS modules:

• magento/magento2-page-builder@70634ff
• ab5947b

[medigeek]

@hostep I don't understand, was this released with 2.4.7 / 2.4.7-p2 ? Is this patch available somewhere? Is this added to the release notes? AFAICS this affects 2.4.7-p2.

[medigeek]

OK so I tried out and noticed that the latest versions of backend and page builder modules don't have this code included.

Having another go at this, these are the composer-compatible patches:

fix-backend-error-page-builder-when-editing-cms-block.patch

fix-error-page-builder-when-editing-cms-block.patch

[engcom-Bravo]

@hostep @chrisoliver90 Thanks for your Contribution!!

As per this comment #39076 (comment) we are closing this issue.

Thanks.

[medigeek]

@engcom-Bravo was this issue documented in 2.4.7 and 2.4.7-p2 release notes? When can we expect this bugfix issue to be released as a version or an official patch? Thank you.

[sunit9]

Is any one has tried this solution into Magento CE 2.4.7-p2 ? I tired but not working.

[medigeek]

@sunit9 it should, as far as I can see the change in code removed the allow-same-origin but didn't include the workaround code in the patch.
After the patch you have to do a full reocmpile/redeploy.
If it doesn't work, check your full javascript logs for maybe some other errors to solve the issue.
Also, if you're using cloudflare, try without the cloudflare proxy.

[hostep]

Magento's quality patches 1.1.50 got released today and also contains patches for this problem for various versions of Magento: magento/quality-patches@e8ad819...d2e5320#diff-5c6d9dd586fe0c5875aa848aad7a1d0729ff28ff44d8bb8d3bec92dfa02f3207R12282-R12311

[sunit9]

@medigeek I got following error in console after apply

fix-backend-error-page-builder-when-editing-cms-block.patch

fix-error-page-builder-when-editing-cms-block.patch

[2024-08-28 02:37:57] [ERROR] Page Builder was rendering for 5 seconds without releasing locks.

I am working on my local system. So no cloudflare proxy

[amiyoghoshstar]

Same happneing with me! Is it related to chrome browser?

[medigeek]

@sunit9 try reproduce in vanilla magento (clear new installation of magento)

[anjali25021995]

@hostep I got following the still we are getting the issue

magento/magento2-page-builder@70634ff
ab5947b

Please fix this issue ASAP

[daniel-zaretsky1]

After applying the new patch released ACSD-60169 we are still experiencing this issue in all browsers tested (Chrome/Firefox/Safari). Recompiled we experience that this issue sporadically resurfaces when saving. Sometimes the saves are successful in Firefox, other times we get the [ERROR] Page Builder was rendering for 5 seconds without releasing locks. In almost all cases using chrome it fails. Before our workaround was to just use Firefox to update CMS Blocks/Pages but not anymore since we're experiencing this in it as well now.

[anjali25021995]

@daniel-zaretsky1 Yes, we are not getting the every time the issue was coming sporadically resurfaces when saving, sometimes the save successful(Chrome/Firefox/), and other times we get the [ERROR] Page Builder was rendering for 5 seconds without releasing locks, permanent fix, can you let us know we are using open source Magento 2,4,7-p2

[medigeek]

Not sure if this will help your issue.
It helped us solve some CSP errors.
Try adding something similar to your app/etc/env.php
You probably need to adapt your env.php file per use case (it contains a php array, consult with your developer).
do a full re-deploy/re-compile.

It might be regarded as a security issue, but it will probably make your site work, until you find a more secure long-term solution.

    'system' => [
        'default' => [
            'csp' => [
               'mode' => [
                  'storefront_checkout_index_index' => [
                     'report_only' => '1'
                  ],
                  'admin_sales_order_create_index' => [
                    'report_only' => '1'
                  ]
               ],
               'policies' => [
                  'storefront_checkout_index_index' => [
                    'scripts' => [
                        'inline' => '1'
                    ]
                  ],
                  'admin_sales_order_create_index' => [
                    'scripts' => [
                        'inline' => '1'
                    ]
                  ]
               ]
            ]
        ]
    ]

[anjali25021995]

Magento 2 version 2.4.7-p2(CE), “Page Builder was rendering for 5 seconds without releasing locks” error. we applied the patch but still got the error ACSD-59582_2.4.7.patch, anyone please provide the solution

[medigeek]

did you guys do a composer update ?
which version of composer info -a magento/module-page-builder are you using?
you ought to be using v2.2.5-p2 (marked with an asterisk next to it) with magento 2.4.7-p2

[anjali25021995]

Yes, we are using composer update, our page builder version is v2.2.5-p2 with magento2.4.7-p2, this page builder version correctly still we are getting the issue "“Page Builder was rendering for 5 seconds without releasing locks”

[medigeek]

@anjali25021995 try reproduce the issue in plain vanilla magento (default theme and default clean magento installation) if possible.

[sunit9]

@medigeek Not working in vanilla installation. I tried env.php solution also.

@engcom-Bravo Please re-open this issue.

[chrisoliver90]

@medigeek The patch I provided (ACSD-59582_2.4.7) was sent to us directly from Adobe Commerce.
I don't believe a quality patch is in place yet but they replicated the issue and sent us that patch which worked.

[jmonrove]

This is still an issue

[medigeek]

@sunit9 try the patch from chris in comment above: #39076 (comment)

[sunit9]

@medigeek this patch looks like. So it may not work.

magento/magento2-page-builder@70634ff
ab5947b

This may work in Adobe commerce but not working in Community Edition. I think need to re-open issue for CE.

[medigeek]

@sunit9 you could reopen the issue or open a new issue at page builder: https://github.com/magento/magento2-page-builder/issues
also mention this issue and this discussion ( #39076 )

[Watch3ruk]

issue is not resolved on MOS .
Could this be reopened please

[daniel-zaretsky1]

Adobe support recommended us to try another patch: ACSD-48857 this had to do with certain aged pages + blocks not being properly parsed by page builder after an AC version upgrade was performed and revisited. This patch was the solution for us that fixed the issue.

[medigeek]

well in our case it returned, the solution was to add the nginx configuration headers as mentioned above: #39076 (comment)

don't add the API-related location /rest { ... } as it may break the site

I added this snippet in PHP entry point for main application
location ~ ^/(index|get|static|errors/report|errors/404|errors/503|health_check)\.php$ { ... }

and in:
location /media/ { ... }
location /static/ { ... }

The snippet:

#Fix CORS and magento page builder issue
#https://github.com/magento/magento2/issues/39076
#https://magento.stackexchange.com/a/170726
    add_header 'Access-Control-Allow-Origin' '*' always;
#add_header 'Access-Control-Allow-Credentials' 'true';
    add_header 'Access-Control-Allow-Methods' 'GET, POST, PUT, DELETE, OPTIONS' always;
    add_header 'Access-Control-Allow-Headers' 'DNT,Authorization,X-CustomHeader,Keep-Alive,User-Agent,Origin,Referer,X-HTTP-Method-Override,X-Accept-Charset,X-Accept,Accept,Access-Control-Request-Method,Access-Control-Request-Headers,X-Requested-With,If-Modified-Since,Cache-Control,Content-Type' always;

secure or not, it works. until magento open source provides a proper fix for this.
We don't all have access to ACSD patches unfortunately.

[hostep]

To repeat myself, there are patches included for this in the magento quality patches repository, you can find them in the os and commerce directories.

They are defined like this for various versions of Magento and should be applied to 2 different magento packages:

    "ACSD-59514": {
        "categories": [
            "Admin"
        ],
        "title": "Fixes the issue where forms in the Admin area with Page Builder throw the error \"Page Builder was rendering for 5 seconds without releasing locks.\" in the browser console after submitting the form, and changes can't be saved.",
        "packages": {
            "magento/magento2-base": {
                ">=2.4.4 <2.4.4-p9 || >=2.4.5 <2.4.5-p8 || >=2.4.6 <2.4.6-p6": {
                    "file": "os/ACSD-59514_2.4.4-p8.patch"
                },
                ">=2.4.4-p9 <2.4.5 || >=2.4.5-p8 <2.4.6 || >=2.4.6-p6 <2.4.7": {
                    "file": "os/ACSD-60169_2.4.6-p6.patch"
                },
                ">=2.4.7 <2.4.7-p2": {
                    "file": "os/ACSD-59582_2.4.7.patch"
                }
            },
            "magento/module-page-builder": {
                ">=2.2.2 <2.2.2-p9 || >=2.2.3 <2.2.3-p8 || >=2.2.4 <2.2.4-p6": {
                    "file": "commerce/ACSD-59514_2.2.2-p7.patch"
                },
                ">=2.2.2-p9 <2.2.3 || >=2.2.3-p8 <2.2.4 || >=2.2.4-p6 <2.2.5": {
                    "file": "commerce/ACSD-60169_2.2.4-p6.patch"
                },
                ">=2.2.5 <2.2.5-p2": {
                    "file": "commerce/ACSD-59582_2.2.5.patch"
                }
            }
        }
    },

[medigeek]

@hostep I admire the commitment but unfortunately for some reason ACSD-59582_2.4.7.patch on 2.4.7-p2 doesn't work when applied (i.e. successfully applied but doesn't fix the issue). The only fix that would work was the nginx in my case. mileage may vary obviously.

[Watch3ruk]

fixed this for me : [2.4.7-p2 and 2.4.7-p3 MOS ]
check that around line 78 in .../vendor/magento/module-require-js/Block/Html/Head/Config.php
you have :

    protected function _prepareLayout()
    {
        $after = $this->getInsertAfter() ?: RequireJsConfig::REQUIRE_JS_FILE_NAME;

not

  protected function _prepareLayout()
    {
$after = RequireJsConfig::REQUIRE_JS_FILE_NAME;

[aamoronatti]

I applied all the patches and It wasn't working for me. I purged cloudflare's cache and the page started saving correctly. Maybe this might help someone.

[vivekmehta17]

Hi All,

Tried solution for above issue on Magento2.4.7-p2 working fine and page builder issue not coming now.

create app/code/Vendor/Module/view/adminhtml/requirejs-config.js
var config = {
map: {
'*': {
'Magento_PageBuilder/template/page-builder.html': 'Vendor_Module/template/page-builder.html'

    },
}

};

app/code/Vendor/Moduleview/adminhtml/web/template/

<iframe attr="id: 'render_frame_' + id" sandbox="allow-scripts allow-same-origin" style="position: absolute; width:0; height:0; border: none;"></iframe>

[smartexcan]

I believe I've found the root of the CORS issue described in #39076 (comment)

Earlier this year, changes were made to the Csp module to add subresource integrity to js files.

While originally intended to only be added for checkout and order payment pages, currently it is applied to the 'requirejs-config.js' file on every page in storefront and adminhtml.

We're currently still using the 2.4.6 release line, and these changes look to have been added in 2.4.6-p6.

I created a small module to fix the issue only on the pagebuilder_stage_render page.
https://github.com/smartexcan/magento2-page-builder-require-js-fix

[hostep]

Thanks for the hint @smartexcan, I'll link to #39250 which is now very closely related to this issue I believe.

[lohoy]

Hello,

I have this issue on Magento 2.4.7-p3.

To fix that I applied this patch on requirejs module
ACSD-52041_2.4.6.patch (https://github.com/magento/quality-patches/blob/3dc08f7af47d38494acb750bed18372a1c65e752/patches/os/ACSD-52041_2.4.6.patch#L4)
And this patch on pagebuilder module
magento/magento2-page-builder@70634ff
On the version 2.4.7-p3 the file app/code/Magento/PageBuilder/view/adminhtml/web/template/page-builder.html was change but not the other files.

[chalov-anton]

Still an issue on 2.4.7-p3
I'm unable to save a block with HTML Element added via Page Builder.

[ssx]

Still an issue on 2.4.7-p3 I'm unable to save a block with HTML Element added via Page Builder.

you could possibly try: magento/magento2-page-builder#866 (comment)