Fatal error: Uncaught Error: Interface "SimplePie\Cache\NameFilter" not found in C:\xampp\htdocs\Learn\wp-includes\SimplePie\src\Cache\CallableNameFilter.php:52
Stack trace:
#0 {main}
thrown in C:\xampp\htdocs\Learn\wp-includes\SimplePie\src\Cache\CallableNameFilter.php on line 52