I got the same message.
I was trying to make a form out of a table in EXEL.
My workaround: I saved the EXEL table into an earlier format. That is, instead of FILE.xlsx (EXEL workbook), I saved it as FILE.xls (EXEL 97-2003 Workbook).
FInally got the program to read the file.
Hello Community, Jessica here from the Confluence product marketing team! Today I wanted to get your takes on project planning –– what works, what doesn’t, how do you know if you’re doing it r...
Connect with like-minded Atlassian users at free events near you!Find a group
Connect with like-minded Atlassian users at free events near you!
Unfortunately there are no AUG chapters near you at the moment.Start an AUG
You're one step closer to meeting fellow Atlassian users at your local meet up. Learn more about AUGs