Since the 2020.2 version reports are stored in the database in stead of in a directory.
As far as I know the reporting service stil requires that the report is stored in a directory.
The stored procedure rpt_get_reports now needs a parameter report_file_spec.
You should be albe to use a report from a IAM database. Then it would be required to declare a connection string for the IAM database in the INI file of the reporting service. As extra parameters in the stored proc rpt_get_reports the project_id, version_idid (if nulll then use last version..) and reportname are needed
