[wp-trac] [WordPress Trac] #62422: Can't edit pages after update to 6.7 and also later after downgrade

[WordPress Trac]

#62422: Can't edit pages after update to 6.7 and also later after downgrade
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 Reporter:  levskipg                             |       Owner:  desrosj
     Type:  defect (bug)                         |      Status:  reviewing
 Priority:  normal                               |   Milestone:  6.7.2
Component:  Editor                               |     Version:  6.7
 Severity:  critical                             |  Resolution:
 Keywords:  has-patch fixed-major dev-feedback   |     Focuses:
  commit has-unit-tests                          |
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Comment (by dilip2615):

 Hello

 To fix the issue, ensure your custom scripts rely on WordPress's React
 (`wp-element`) instead of a third-party version. Update your
 `functions.php` to enqueue scripts properly:

 ```php
 function enqueue_custom_scripts() {
     wp_enqueue_script(
         'my-custom-script',
         get_template_directory_uri() . '/js/custom-script.js',
         ['wp-element'],
         null,
         true
     );
 }
 add_action('wp_enqueue_scripts', 'enqueue_custom_scripts');
 ```

 Ensure all block descriptions are strings and replace `createRoot` with
 `ReactDOM.render`. Dequeue any conflicting React scripts. If the issue
 persists, debug further by temporarily switching to a default theme.

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Ticket URL: <https://core.trac.wordpress.org/ticket/62422#comment:31>
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