[BUG] Add more error handling

[iMartzen]

Describe the bug
We need more error handling on the report retrieval

To Reproduce
Steps to reproduce the behavior:

1. Add wrong credentials
2. See error message is not descriptive

Expected behavior
Clear message on what is wrong / missing credentials in this example.

[iMartzen]

Already added some more, but would love to check the whole repo on proper error handling: af37f37