Warning: require_once(//wp-includes/class-wp-textdomain-registry.php): failed to open stream: No such file or directory in /wp-settings.php on line 155

Fatal error: require_once(): Failed opening required '//wp-includes/class-wp-textdomain-registry.php' (include_path='.:/:/usr/local/php74/lib/pear') in /wp-settings.php on line 155

Fatal error: Uncaught Error: Call to a member function set() on null in /wp-includes/l10n.php:784 Stack trace: #0 /wp-includes/l10n.php(872): load_textdomain('default', '//wp-content/la...', 'pl_PL') #1 /wp-includes/class-wp-fatal-error-handler.php(46): load_default_textdomain() #2 [internal function]: WP_Fatal_Error_Handler->handle() #3 {main} thrown in /wp-includes/l10n.php on line 784