Forum Discussion
The specified key is not a valid size for this algorithm.
Reported a frown on this issue. Per the support email, I cleared the cache but am having the same problem. I deleted all temp files per another user having the same problem but that didn't work. I ...
Clearing the Cache worked for me
Update. The problem persists once query editor is reopened. I've opened a ticket and will follow up on this thread.
Support team was unable to identify the issue, so they escalated to the product team. It's now been one week and I haven't heard back yet. Unable to edit queries on any .pbix file at the moment unless I use another machine.
The issue was resolved by deleting the cache.key file here: C:\Users\<username>\AppData\Local\Microsoft\Power BI Desktop\Cache
Just had this problem Anonymous and your tip worked a treat, thanks.
