Report Generation + minor bug fixes

[mapo9]

PR Checklist

• [ ] This comment contains a description of changes (with reason)
• [ ] Referenced issue is linked
• [x] If you've fixed a bug or added code that should be tested, add tests!
• [x] Documentation in docs is updated
• [x] CHANGELOG.rst is updated

Description of changes

Technical details

Additional context

[SusiJo]

Could you also please add the PR to the Changelog with a description of what has been added/changed/fixed, etc.?

[SusiJo]

Please make sure, that the tests are passing before merging.