Fatal error: Out of memory (allocated 4194304) (tried to allocate 167936 bytes) in C:\xampp\apps\wordpress\htdocs\wp-includes\wp-db.php on line 2022

Fatal error: Out of memory (allocated 4194304) (tried to allocate 167936 bytes) in C:\xampp\apps\wordpress\htdocs\wp-includes\wp-db.php on line 2022