How to fix TypeError: array_intersect_key(): Argument #1 ($array) must be of type array, string given in array_intersect_key() (line 293 of core/lib/Drupal/Core/Render/Renderer.php).
How to fix TypeError: array_intersect_key(): Argument #1 ($array) must be of type array, string given in array_intersect_key() (line 293 of core/lib/Drupal/Core/Render/Renderer.php).
I got this error after upgrading to Drupal 9.4. Seemed an error caused by a custom views field.