SAP Message C$409 - Symbol &&: nesting of special repeating groups is not supported

Diagnosis
The system found special repeating group &V1&&V2&.
This repeating group is contained within a second specialrepeating group &V3&&V4&. This system does not support this layout.You cannot define nesting for special repeating groups.

System Response
The system is unable to process the repeating group. It continueswith the syntax check.

Procedure
Ensure that the report template does not contain nesting repeatinggroups.