2026/05/20 Made the error message displayed when using a silent video with the 'Split by Voice' feature clearer and easier to understand Copy title and URL 2026-05-20 04:55:30 UTC 2026-09-03 04:26:01 UTC Contents Improved error messages Related articles 2026/05/20 Fixed an issue where user search could result in an error on the team management screen of the training feature Can I add audio (narration) to a video? Can I change the system language? I can't log in. What should I do? Please tell me the URLs, ports, and other settings that need to be allowed for communication in order to access Teachme Biz