Error opening the input file due to File contains corrupted data

What does this error message mean, and how to correct it?

Where are you seeing that? Production? Tenant?
Would need more info to diagnose.

Is the file stored on a shared drive that ReportMagic knows about? If you have a previous version of the file open, then run the Schedule again, you may see this sort of thing.

Yes in production. Just wondered what it meant, and how I could diagnose it further? Is there a troubleshooting guide in the Help?