Scenario
After upgrading to a newer version (D365 FSCM X++ 1.2.13 or latest), there are no records in the related data form for the existing reports:
System administration > Setup dox42 dox42 parameters > Attachments > Related data
System administration > Setup dox42 dox42 parameters > Audit log > Related data
System administration > Setup dox42 dox42 parameters > Document management> Related data.
Solution
Run the job
Dox42FillReportDataSourcesJob_SF
to fix the issue.
The job fixes the problem immediately for all legal entities once it has been executed.
https://<AXURL>/?mi=SysClassRunner&cls=Dox42FillReportDataSourcesJob_SF