Fatal error: Uncaught Error: [] operator not supported for strings in /home/www/redcor.de/wp-content/plugins/thecartpress/TheCartPress.class.php:678 Stack trace: #0 /home/www/redcor.de/wp-includes/class-wp-hook.php(287): TheCartPress->pre_get_posts(Object(WP_Query)) #1 /home/www/redcor.de/wp-includes/class-wp-hook.php(311): WP_Hook->apply_filters(NULL, Array) #2 /home/www/redcor.de/wp-includes/plugin.php(551): WP_Hook->do_action(Array) #3 /home/www/redcor.de/wp-includes/class-wp-query.php(1791): do_action_ref_array('pre_get_posts', Array) #4 /home/www/redcor.de/wp-includes/class-wp-query.php(3474): WP_Query->get_posts() #5 /home/www/redcor.de/wp-includes/class-wp.php(624): WP_Query->query(Array) #6 /home/www/redcor.de/wp-includes/class-wp.php(747): WP->query_posts() #7 /home/www/redcor.de/wp-includes/functions.php(1291): WP->main('') #8 /home/www/redcor.de/wp-blog-header.php(16): wp() #9 /home/www/redcor.de/index.php(17): require('/home/www/redco...') #10 {main} thrown in /home/www/redcor.de/wp-content/plugins/thecartpress/TheCartPress.class.php on line 678