How To Fix RS_HCPR_MODEL085 - Source '&1' not allowed in union '&2'

RS_HCPR_MODEL085 - Overview

• Message type: E = Error

• Message class: RS_HCPR_MODEL - Messages related to the HANA Composite Provider Backend

• Message number: 085

• Message text: Source '&1' not allowed in union '&2'

What causes this issue?

Runtime restriction: All inputs of a union have to be basis providers.
Object '&SYST-MSGV1&' is not a basis provider for union '&SYST-MSGV2&'.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message RS_HCPR_MODEL085 - Source '&1' not allowed in union '&2' ?

  The SAP error message RS_HCPR_MODEL085 indicates that there is an issue with a union operation in a query or data model where a specific source is not allowed. This typically occurs in the context of SAP BW (Business Warehouse) or SAP HANA when working with data models, queries, or transformations.
  
  Cause:
  The error message "Source '&1' not allowed in union '&2'" suggests that the data source you are trying to use in a union operation is not compatible or not permitted. This can happen due to several reasons:
  
  Incompatible Data Sources: The sources being combined in the union may have different structures, data types, or characteristics that prevent them from being unioned together.
  
  Configuration Issues: The data source may not be properly configured or may not be included in the union definition.
  Authorization Issues: There may be restrictions on the data source that prevent it from being used in a union operation.
  Modeling Errors: There could