Fatal error: Allowed memory size of 402653184 bytes exhausted (tried to allocate 28672 bytes) in /var/www/html/wp-includes/wp-db.php on line 1989

Fatal error: Allowed memory size of 402653184 bytes exhausted (tried to allocate 2097160 bytes) in /var/www/html/wp-includes/wp-db.php on line 1990