As several others are reporting, I'm also suffering from the view-only bug. Even while I am the operator from the document, I'll be modifying for per day or two and then eventually I open the app and i am trapped in view-only. Tom Yokom suggests: May possibly 21, 2021 at https://free-trial52851.livebloggs.com/42041950/the-basic-principles-of-google-form-timesheet-template