Checkmk Werk 14472: Fix TypeError on scheduled report execution

ID: 14472 Title: Fix TypeError on scheduled report execution Component: Reporting & Availability Level: 1 Class: Bug fix Version: 2.2.0i1 If a scheduled report was executed at the configured time, the execution failed with "TypeError: join() argument must be str, bytes, or os.PathLike object, not 'NoneType'". Manual execution via "Execute this schedule now" was still possible.