Fatal Error

  • When I want to clear the cache in WP-Rocket, I get the following error:

    FastCGI sent in stderr: “PHP message: PHP Fatal error: Uncaught TypeError: call_user_func_array(): Argument #1 ($callback) must be a valid callback, class Wp_Menu_Caching_Admin does not have a method “dc_purge_all_menu_html_transients” in /home/wordpress/wp-includes/class-wp-hook.php:326

    Any idea whats going on?

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