Fatal error: Uncaught Error: [] operator not supported for strings in /home/httpd/vhosts/media-consulting-testserver.ch/deinefirma.ch/wp-content/plugins/revslider/includes/framework/base-admin.class.php:71
Stack trace:
#0 /home/httpd/vhosts/media-consulting-testserver.ch/deinefirma.ch/wp-content/plugins/revslider/admin/revslider-admin.class.php(581): RevSliderBaseAdmin::addMetaBox('Revolution Slid...', '', Array, NULL)
#1 /home/httpd/vhosts/media-consulting-testserver.ch/deinefirma.ch/wp-content/plugins/revslider/admin/revslider-admin.class.php(74): RevSliderAdmin->addSliderMetaBox()
#2 /home/httpd/vhosts/media-consulting-testserver.ch/deinefirma.ch/wp-content/plugins/revslider/admin/revslider-admin.class.php(44): RevSliderAdmin->init()
#3 /home/httpd/vhosts/media-consulting-testserver.ch/deinefirma.ch/wp-content/plugins/revslider/revslider.php(165): RevSliderAdmin->__construct('/home/httpd/vho...')
#4 /home/httpd/vhosts/media-consulting-testserver.ch/deinefirma.ch/wp-settings.php(304): include_once('/home/httpd/vho...')
 in /home/httpd/vhosts/media-consulting-testserver.ch/deinefirma.ch/wp-content/plugins/revslider/includes/framework/base-admin.class.php on line 71