Notice: require_once(): read of 8366 bytes failed with errno=12 Cannot allocate memory in /home/kalendar/ on line 30

Fatal error: require_once(): Failed opening required '/home/kalendar/' (include_path='.:/opt/alt/php74/usr/share/pear') in /home/kalendar/ on line 30

Fatal error: Uncaught Error: Call to a member function set() on null in /home/kalendar/ Stack trace: #0 /home/kalendar/ load_textdomain('default', '/home/kalendar/...', 'ru_RU') #1 /home/kalendar/ load_default_textdomain() #2 [internal function]: WP_Fatal_Error_Handler->handle() #3 {main} thrown in /home/kalendar/ on line 806