Fatal error: Allowed memory size of 41943040 bytes exhausted (tried to allocate 20480 bytes) in /home/kokugonote/www/wp/wp-includes/wp-db.php on line 2022

Fatal error: Allowed memory size of 41943040 bytes exhausted (tried to allocate 20480 bytes) in /home/kokugonote/www/wp/wp-includes/wp-db.php on line 2022