Fatal error: Out of memory (allocated 8388608) (tried to allocate 864256 bytes) in C:\xampp\htdocs\w108\wp-includes\wp-db.php on line 1989

Fatal error: Out of memory (allocated 8388608) (tried to allocate 864256 bytes) in C:\xampp\htdocs\w108\wp-includes\wp-db.php on line 1989