How can I report a content error? QA Team Updated January 10, 2018 07:59 Follow If you find an error in our Official Courses, please send us a report from the inquiry form with the following information: ・Course URL ・Item ・Brief Description Related articles How can I put skipped items back so that I can study them again? I cannot download any course using Kindle Fire. Error message says "Not Found". What should I do? Why are the pages on the site not displayed properly? What is Custom Course Editor? Comments 0 comments Article is closed for comments.