What changes are being made?  There is a bug which is being tracked by Sage (but the cause has not been pinned down yet) that can either wipe out the Account Number field, or make it appear as ****1234. I have also had basically all information in a bank code disappear except the code itself, AND I have had a bank code disappear once.  If it's something like this, it is probably not someone making the changes - it's a bug.

Supposedly this had been fixed with a product update several months ago.  Two of my clients have installed the latest product update and it just started happening again a few weeks ago.  I have updated Sage, but haven't heard anything back from them yet.  Both clients are on 2021.4.  

Supposedly this had been fixed with a product update several months ago.  Two of my clients have installed the latest product update and it just started happening again a few weeks ago.  I have updated Sage, but haven't heard anything back from them yet.  Both clients are on 2021.4.