I have a flow that has been running for a year with no issues. Then last week it suddenly failed and I got the error 'The resource could not be found.'
I have checked the source file exists (it does) and if I edit the flow and re-enter the exact same file it will run successfully.
So I save it and then the next day it fails again.
The file it uses is created every day at 1:00am, and its a csv 2ith 2 columns and 1 row.

What would cause it to give me the 'Resource not found' error all of a sudden?
thanks