Advanced Threat Protection - Safe Links

New Contributor
I help maintain Excel spreadsheet for our religious organization. It is full of hundreds if not thousands of hyperlinks. Recently I started receiving this popup notice that reads as follows:

Advanced Threat Protection - Safe Links

Verification of this link failed due to an error. 

All the Hyperlinks in this spreadsheet have been put in by me and this pop up warning is a nuisance. It does this on every single hyperlink that is clicked on throughout the spreadsheet. It doesn't tell me what the error is, this really slows down my productivity on keeping the spreadsheet up to date. Is there anyway to disable this this Pop-up or turn this feature off all together?




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