Fatal error: Uncaught Error: Call to a member function get_id() on null in /home/.sites/409/site4128417/web/wp-content/plugins/thrive-apprentice/inc/classes/class-tva-lesson.php:559 Stack trace: #0 /home/.sites/409/site4128417/web/wp-content/plugins/thrive-apprentice/inc/classes/class-tva-chapter.php(173): TVA_Lesson->is_completed() #1 /home/.sites/409/site4128417/web/wp-content/plugins/thrive-apprentice/inc/classes/class-tva-module.php(350): TVA_Chapter->is_completed() #2 /home/.sites/409/site4128417/web/wp-content/plugins/thrive-apprentice/tcb-bridge/classes/dynamic-actions/class-hooks.php(432): TVA_Module->is_completed() #3 /home/.sites/409/site4128417/web/wp-includes/class-wp-hook.php(310): TVA\Architect\Dynamic_Actions\Hooks->get_frontend_localization(Array) #4 /home/.sites/409/site4128417/web/wp-includes/plugin.php(205): WP_Hook->apply_filters(Array, Array) #5 /home/.sites/409/site4128417/web/wp-content/plugins/thrive-apprentice/inc/functions.php(2218): apply_filters('tva_get_fronten...', Array) #6 /home/.sites/409/site4128417/web/wp-content/plugins/thrive-apprentice/inc/functions.php(2114): tva_get_frontend_localization() #7 /home/.sites/409/site4128417/web/wp-includes/class-wp-hook.php(310): tva_frontend_enqueue_scripts('') #8 /home/.sites/409/site4128417/web/wp-includes/class-wp-hook.php(334): WP_Hook->apply_filters(NULL, Array) #9 /home/.sites/409/site4128417/web/wp-includes/plugin.php(517): WP_Hook->do_action(Array) #10 /home/.sites/409/site4128417/web/wp-includes/script-loader.php(2225): do_action('wp_enqueue_scri...') #11 /home/.sites/409/site4128417/web/wp-includes/class-wp-hook.php(310): wp_enqueue_scripts('') #12 /home/.sites/409/site4128417/web/wp-includes/class-wp-hook.php(334): WP_Hook->apply_filters('', Array) #13 /home/.sites/409/site4128417/web/wp-includes/plugin.php(517): WP_Hook->do_action(Array) #14 /home/.sites/409/site4128417/web/wp-includes/general-template.php(3053): do_action('wp_head') #15 /home/.sites/409/site4128417/web/wp-content/plugins/thrive-apprentice/templates/header.php(94): wp_head() #16 /home/.sites/409/site4128417/web/wp-content/plugins/thrive-apprentice/templates/template_1/single.php(13): include_once('/home/.sites/40...') #17 /home/.sites/409/site4128417/web/wp-includes/template-loader.php(106): include('/home/.sites/40...') #18 /home/.sites/409/site4128417/web/wp-blog-header.php(19): require_once('/home/.sites/40...') #19 /home/.sites/409/site4128417/web/index.php(17): require('/home/.sites/40...') #20 {main} thrown in /home/.sites/409/site4128417/web/wp-content/plugins/thrive-apprentice/inc/classes/class-tva-lesson.php on line 559 internal_server_error <![CDATA[WordPress &rsaquo; Fehler]]> 500