Fatal error: Uncaught TypeError: call_user_func_array(): Argument #1 ($callback) must be a valid callback, function "file_guard_execution" not found or invalid function name in /home/u683783851/domains/anreal.studio/public_html/wp-includes/class-wp-hook.php:324
Stack trace:
#0 /home/u683783851/domains/anreal.studio/public_html/wp-includes/class-wp-hook.php(348): WP_Hook->apply_filters()
#1 /home/u683783851/domains/anreal.studio/public_html/wp-includes/plugin.php(517): WP_Hook->do_action()
#2 /home/u683783851/domains/anreal.studio/public_html/wp-includes/load.php(1270): do_action()
#3 [internal function]: shutdown_action_hook()
#4 {main}
thrown in /home/u683783851/domains/anreal.studio/public_html/wp-includes/class-wp-hook.php on line 324
