Support » Fixing WordPress » Warning: call_user_func_array() expects parameter

  • After logging into the administration panel, I have this message.

    Warning: call_user_func_array() expects parameter 1 to be a valid callback, function 'image_menu' not found or invalid function name in /public_html/wp-includes/class-wp-hook.php on line 287

    Where is the problem?

    • This topic was modified 8 months, 3 weeks ago by Tom.
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