Fatal error: Out of memory (allocated 2097152) (tried to allocate 20480 bytes) in /var/www/html/includes/exception/MWExceptionHandler.php on line 479

Fatal error: Out of memory (allocated 2097152) (tried to allocate 20480 bytes) in /var/www/html/vendor/wikimedia/php-session-serializer/src/Wikimedia/PhpSessionSerializer.php on line 379