cant edit comments

[slm7678]

hello everyone, i hope you all can help.
i have a workbook with several worksheets in it and i can edit the comments on every sheet except one. there are a lot of people using this workbook so i am not sure what was changed but up until yesterday i could edit all of the comments. any help you can provide is greatly appreciated.

TIA

 

[karabiner8]

Thanks rifpool, it works! Though I'll never guess how you stumbled across that solution. Thanks for posting the answer. And to think it only took 9 years to solve.