Fatal error: Uncaught Error: Class "SimplePie\Cache\DB" not found in C:\Program Files\Apache Group\Apache2\htdocs\stone-quarries\wordpress\wp-includes\SimplePie\src\Cache\MySQL.php:21 Stack trace: #0 {main} thrown in C:\Program Files\Apache Group\Apache2\htdocs\stone-quarries\wordpress\wp-includes\SimplePie\src\Cache\MySQL.php on line 21