Home › Forums › WordPress Theme › Outdoor – Creative Photography/Portfolio WP Theme › Cannot declare class Vc_Manager, because the name is already in use Tagged: class Vc_Manager, visual composer This topic contains 1 reply, has 2 voices, and was last updated by Alma Viki 7 months ago. Viewing 2 posts - 1 through 2 (of 2 total) Author Posts March 18, 2018 at 3:28 am #19351 kimikim8Participant Support Expired It is not possible to activate Visual Composer plugin. After activation error message appears: Fatal error: Cannot declare class Vc_Manager, because the name is already in use in /…./wp-content/plugins/js_composer/js_composer.php on line 33 March 19, 2018 at 2:19 pm #19365 Alma VikiParticipant Unknow Hi, Can you send to us your wp-admin account + ftp account? We will help you check this issues. Thanks. Author Posts Viewing 2 posts - 1 through 2 (of 2 total) You must be logged in to reply to this topic.