Hello,
I created survey form using XLSForm and all form information appears valid. But when I try to publish, it appears "unable to create folder, code:400" error. Image is attached. Could you please assist me?
Please check if the solution in the given post works for you.
Help with code: 400 Publishing Error - "folder title not available"
Additional resource: Error: Publishing failed to complete. Unable to create folder. Error code: 400