Fatal error: Uncaught Error: Class "Elementor\Core\Base\App" not found in /home/.sites/89/site1187403/web/werkstatt/wp-content/plugins/elementor-pro/core/editor/editor.php:16
Stack trace:
#0 /home/.sites/89/site1187403/web/werkstatt/wp-content/plugins/elementor-pro/plugin.php(171): include()
#1 /home/.sites/89/site1187403/web/werkstatt/wp-content/plugins/elementor-pro/plugin.php(484): ElementorPro\Plugin->autoload('ElementorPro\\Co...')
#2 /home/.sites/89/site1187403/web/werkstatt/wp-content/plugins/elementor-pro/plugin.php(139): ElementorPro\Plugin->__construct()
#3 /home/.sites/89/site1187403/web/werkstatt/wp-content/plugins/elementor-pro/plugin.php(528): ElementorPro\Plugin::instance()
#4 /home/.sites/89/site1187403/web/werkstatt/wp-content/plugins/elementor-pro/elementor-pro.php(68): require('/home/.sites/89...')
#5 /home/.sites/89/site1187403/web/werkstatt/wp-includes/class-wp-hook.php(324): elementor_pro_load_plugin('')
#6 /home/.sites/89/site1187403/web/werkstatt/wp-includes/class-wp-hook.php(348): WP_Hook->apply_filters(NULL, Array)
#7 /home/.sites/89/site1187403/web/werkstatt/wp-includes/plugin.php(517): WP_Hook->do_action(Array)
#8 /home/.sites/89/site1187403/web/werkstatt/wp-settings.php(550): do_action('plugins_loaded')
#9 /home/.sites/89/site1187403/web/werkstatt/wp-config.php(83): require_once('/home/.sites/89...')
#10 /home/.sites/89/site1187403/web/werkstatt/wp-load.php(50): require_once('/home/.sites/89...')
#11 /home/.sites/89/site1187403/web/werkstatt/wp-blog-header.php(13): require_once('/home/.sites/89...')
#12 /home/.sites/89/site1187403/web/werkstatt/index.php(17): require('/home/.sites/89...')
#13 {main}
  thrown in /home/.sites/89/site1187403/web/werkstatt/wp-content/plugins/elementor-pro/core/editor/editor.php on line 16

Fatal error: Uncaught Error: Class "Elementor\Utils" not found in /home/.sites/89/site1187403/web/werkstatt/wp-content/plugins/elementor/core/logger/manager.php:41
Stack trace:
#0 [internal function]: Elementor\Core\Logger\Manager->shutdown()
#1 {main}
  thrown in /home/.sites/89/site1187403/web/werkstatt/wp-content/plugins/elementor/core/logger/manager.php on line 41