Fatal error: Uncaught TypeError: WP_Translation_Controller::load_file(): Argument #2 ($textdomain) must be of type string, null given, called in /var/home/markus-wagner_at/pichler-gaestestadl/wp-includes/l10n.php on line 838 and defined in /var/home/markus-wagner_at/pichler-gaestestadl/wp-includes/l10n/class-wp-translation-controller.php:101 Stack trace: #0 /var/home/markus-wagner_at/pichler-gaestestadl/wp-includes/l10n.php(838): WP_Translation_Controller->load_file('/var/home/marku...', NULL, 'de_DE') #1 /var/home/markus-wagner_at/pichler-gaestestadl/wp-includes/l10n.php(1005): load_textdomain(NULL, '/var/home/marku...', 'de_DE') #2 /var/home/markus-wagner_at/pichler-gaestestadl/wp-content/themes/Divi/includes/builder/api/DiviExtension.php(266): load_plugin_textdomain(NULL, false, 'includes/langua...') #3 /var/home/markus-wagner_at/pichler-gaestestadl/wp-content/themes/Divi/includes/builder/api/DiviExtension.php(126): DiviExtension->_initialize() #4 /var/home/markus-wagner_at/pichler-gaestestadl/wp-content/plugins/modula-best-grid-gallery/includes/divi-extension/includes/DiviExtension.php(16): DiviExtension->__construct('modula-divi', Array) #5 /var/home/markus-wagner_at/pichler-gaestestadl/wp-content/plugins/modula-best-grid-gallery/includes/divi-extension/includes/DiviExtension.php(20): MODULA_DiviExtension->__construct() #6 /var/home/markus-wagner_at/pichler-gaestestadl/wp-content/plugins/modula-best-grid-gallery/includes/class-modula.php(102): require_once('/var/home/marku...') #7 /var/home/markus-wagner_at/pichler-gaestestadl/wp-includes/class-wp-hook.php(324): Modula->initialize_divi_extension('') #8 /var/home/markus-wagner_at/pichler-gaestestadl/wp-includes/class-wp-hook.php(348): WP_Hook->apply_filters('', Array) #9 /var/home/markus-wagner_at/pichler-gaestestadl/wp-includes/plugin.php(517): WP_Hook->do_action(Array) #10 /var/home/markus-wagner_at/pichler-gaestestadl/wp-content/themes/Divi/includes/builder/api/DiviExtensions.php(89): do_action('divi_extensions...') #11 /var/home/markus-wagner_at/pichler-gaestestadl/wp-content/themes/Divi/includes/builder/api/DiviExtensions.php(123): DiviExtensions::initialize() #12 /var/home/markus-wagner_at/pichler-gaestestadl/wp-content/themes/Divi/includes/builder/framework.php(163): require_once('/var/home/marku...') #13 /var/home/markus-wagner_at/pichler-gaestestadl/wp-content/themes/Divi/et-pagebuilder/et-pagebuilder.php(13): require_once('/var/home/marku...') #14 /var/home/markus-wagner_at/pichler-gaestestadl/wp-includes/class-wp-hook.php(324): et_setup_builder('') #15 /var/home/markus-wagner_at/pichler-gaestestadl/wp-includes/class-wp-hook.php(348): WP_Hook->apply_filters(NULL, Array) #16 /var/home/markus-wagner_at/pichler-gaestestadl/wp-includes/plugin.php(517): WP_Hook->do_action(Array) #17 /var/home/markus-wagner_at/pichler-gaestestadl/wp-settings.php(695): do_action('init') #18 /var/home/markus-wagner_at/pichler-gaestestadl/wp-config.php(96): require_once('/var/home/marku...') #19 /var/home/markus-wagner_at/pichler-gaestestadl/wp-load.php(50): require_once('/var/home/marku...') #20 /var/home/markus-wagner_at/pichler-gaestestadl/wp-blog-header.php(13): require_once('/var/home/marku...') #21 /var/home/markus-wagner_at/pichler-gaestestadl/index.php(17): require('/var/home/marku...') #22 {main} thrown in /var/home/markus-wagner_at/pichler-gaestestadl/wp-includes/l10n/class-wp-translation-controller.php on line 101