Ok, the issue seems to be caused by the fact it's not a sheet created using Google Sheets, you created it using MS Excel (or a similar tool) and uploaded it to Google Drive. Am I right? I was able to reproduce the issue doing the same.
Ok, the issue seems to be caused by the fact it's not a sheet created using Google Sheets, you created it using MS Excel (or a similar tool) and uploaded it to Google Drive. Am I right? I was able to reproduce the issue doing the same.