Fatal error: Out of memory (allocated 18874368) (tried to allocate 20480 bytes) in C:\Program Files (x86)\EasyPHP-Devserver-17\eds-www\klasek2\wp-includes\nav-menu.php on line 940

Fatal error: Uncaught Error: Call to a member function set() on null in C:\Program Files (x86)\EasyPHP-Devserver-17\eds-www\klasek2\wp-includes\l10n.php:857 Stack trace: #0 C:\Program Files (x86)\EasyPHP-Devserver-17\eds-www\klasek2\wp-includes\l10n.php(960): load_textdomain('default', 'C:\\Program File...', 'cs_CZ') #1 C:\Program Files (x86)\EasyPHP-Devserver-17\eds-www\klasek2\wp-includes\class-wp-fatal-error-handler.php(49): load_default_textdomain() #2 [internal function]: WP_Fatal_Error_Handler->handle() #3 {main} thrown in C:\Program Files (x86)\EasyPHP-Devserver-17\eds-www\klasek2\wp-includes\l10n.php on line 857