Fatal error: Out of memory (allocated 6291456) (tried to allocate 4096 bytes) in /home/bigish/public_html/wp-settings.php on line 359

Fatal error: Uncaught Error: Call to a member function set() on null in /home/bigish/public_html/wp-includes/l10n.php:856 Stack trace: #0 /home/bigish/public_html/wp-includes/l10n.php(959): load_textdomain('default', '/home/bigish/pu...', 'fa_IR') #1 /home/bigish/public_html/wp-includes/class-wp-fatal-error-handler.php(49): load_default_textdomain() #2 [internal function]: WP_Fatal_Error_Handler->handle() #3 {main} thrown in /home/bigish/public_html/wp-includes/l10n.php on line 856