Fatal error: Uncaught TypeError: call_user_func_array(): Argument #1 ($callback) must be a valid callback, function "_disable_block_editor_for_navigation_post_type" not found or invalid function name in /usr/www/users/thevayztjm/wp-includes/class-wp-hook.php:307 Stack trace: #0 /usr/www/users/thevayztjm/wp-includes/plugin.php(189): WP_Hook->apply_filters(true, Array) #1 /usr/www/users/thevayztjm/wp-content/plugins/tutor/classes/Course_Settings_Tabs.php(16): apply_filters('use_block_edito...', true, 'courses') #2 /usr/www/users/thevayztjm/wp-content/plugins/tutor/classes/Tutor.php(130): TUTOR\Course_Settings_Tabs->__construct() #3 /usr/www/users/thevayztjm/wp-content/plugins/tutor/classes/Tutor.php(66): TUTOR\Tutor->__construct() #4 /usr/www/users/thevayztjm/wp-content/plugins/tutor/tutor.php(127): TUTOR\Tutor::instance() #5 /usr/www/users/thevayztjm/wp-content/plugins/tutor/tutor.php(132): tutor_lms() #6 /usr/www/users/thevayztjm/wp-settings.php(418): include_once('/usr/www/users/...') #7 /usr/www/users/thevayztjm/wp-config.php(81): require_once('/usr/www/users/...') #8 /usr/www/users/thevayztjm/wp-load.php(50): require_once('/usr/www/users/...') #9 /usr/www/users/thevayztjm/wp-blog-header.php(13): require_once('/usr/www/users/...') #10 /usr/www/users/thevayztjm/index.php(17): require('/usr/www/users/...') #11 {main} thrown in /usr/www/users/thevayztjm/wp-includes/class-wp-hook.php on line 307