What causes this issue?

Internally, the system is renaming more fields than intended by SAP.

System Response

Processing is terminated.

How to fix this error?

Notify SAP of the problem. In particular, please specify the following:
Start transaction (drilldown reporting, query)
In the case of drilldown reporting:
Name of the drilldown report
Name of the report type
In the case of a query:
Name of the query
Name of the user group
Name of the variant

Error message extract from SAP system. Copyright SAP SE.