Fatal error: Out of memory (allocated 16777216) (tried to allocate 20480 bytes) in C:\xampp\htdocs\wp-includes\class-wpdb.php on line 2320

Fatal error: Uncaught Error: Call to a member function set() on null in C:\xampp\htdocs\wp-includes\l10n.php:806 Stack trace: #0 C:\xampp\htdocs\wp-includes\l10n.php(900): load_textdomain('default', 'C:\\xampp\\htdocs...', 'ru_RU') #1 C:\xampp\htdocs\wp-includes\class-wp-fatal-error-handler.php(47): load_default_textdomain() #2 [internal function]: WP_Fatal_Error_Handler->handle() #3 {main} thrown in C:\xampp\htdocs\wp-includes\l10n.php on line 806