fix weird error

formatter/builder.go

@@ -157,7 +157,7 @@ func (b *IssueFormatterBuilder) AddUnderlineAndMessage() *IssueFormatterBuilder
 	b.result.WriteString(lineStyle.Sprintf("%s| ", padding))
 
 	if startLine <= 0 || startLine > len(b.snippet.Lines) || endLine <= 0 || endLine > len(b.snippet.Lines) {
-		b.result.WriteString(messageStyle.Sprintf("Error: Invalid line numbers\n"))
+		b.result.WriteString(messageStyle.Sprintf("%s\n\n", b.issue.Message))
 		return b
 	}
 

testdata/missing_mod/foo.gno

@@ -1,8 +1,9 @@
-package main
+package foo
 
 import (
-	"gno.land/p/demo/avl"
-	"gno.land/r/demo/users"
+	"gno.land/p/demo/ufmt"
 )
 
-func main() {}
+func main() {
+	ufmt.Println("Hello, World!")
+}

testdata/missing_mod/gno.mod

@@ -1,5 +1 @@
-module test
-
-require (
-    gno.land/p/demo/avl v0.0.0-latest
-)
+module foo