(Half-Life 2 Error upon exit) Error Reference: Shared SteamUI_9479827_2f2fa6266a21970c Cannot read properties of undefined (reading 'length')

[NLBen]

Your system information

• Steam client version (build number or date): Beta
• Distribution (e.g. Ubuntu): Ubuntu 24.04 LTS
• Opted into Steam client beta?: Yes
• Have you checked for system updates?: Yes
• Steam Logs: [generate by running this command in a terminal tar -zcvf ~/Desktop/steam-logs.tar.gz ~/.steam/steam/logs]

steam-logs.tar.gz

• GPU: AMD

Please describe your issue in as much detail as possible:

Upon exiting Half-Life 2, I suddenly got the notice ```
Error Reference: Shared SteamUI_9479827_2f2fa6266a21970c
Cannot read properties of undefined (reading 'length')

#### Steps for reproducing this issue:

1.  Start HL2 (Anniversary patch+)
2.  Play a bit
3.  Randomly get this error (no idea why)