Change WordPress user roles and capabilities › Forums › Bug Reports › Contributor Role Unable to Submit Post for Review This topic has 1 reply, 2 voices, and was last updated 6 years, 9 months ago by Vladimir. Viewing 2 posts - 1 through 2 (of 2 total) Author Posts 27/02/2018 at 23:25 #4631 mluns4dParticipant Whenever a contributor level user submits a post for review a blank white screen appears with “-1” in the top left corner. Help? 28/02/2018 at 01:29 #4632 VladimirKeymaster Try to deactivate all plugins and re-test. If that will help, activate plugins back one by one to isolate a reason of a problem. Generally WordPress returns -1 with 403 HTTP code for not authorized AJAX requests. Author Posts Viewing 2 posts - 1 through 2 (of 2 total) You must be logged in to reply to this topic. Log In Username: Password: Keep me signed in Log In