Fatal error: Out of memory (allocated 12582912) (tried to allocate 20480 bytes) in C:\xampp\htdocs\wp-includes\blocks\blocks-json.php on line 3

Fatal error: Out of memory (allocated 12582912) (tried to allocate 20480 bytes) in C:\xampp\htdocs\wp-includes\class-wp-fatal-error-handler.php on line 74