How To Fix RSL_UI073 - CompositeProvider field '&1' is flagged as a main provider field

SAP Error Message - Details

• Message type: E = Error

• Message class: RSL_UI -

• Message number: 073

• Message text: CompositeProvider field '&1' is flagged as a main provider field

What causes this issue?

Field '&V1&' in CompositeProvider '&V2&' is flagged as a MultiProvider
field. It does not have any links to any InfoProviders participating in
MultiProvider '&V3&' however.

System Response

An error message appears.

How to fix this error?

Remove the field from the CompositeProvider by removing all the links
for this field. Alternatively correct the links by choosing <LS>Repair
CompositeProvider</>.

Procedure for System Administrators

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

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message RSL_UI073 - CompositeProvider field '&1' is flagged as a main provider field ?

  The SAP error message RSL_UI073 indicates that a field in a CompositeProvider is flagged as a main provider field, which can lead to issues when trying to use that field in certain contexts, such as in queries or reports. Here’s a breakdown of the cause, potential solutions, and related information:
  Cause:
  
  Field Configuration: The field in question is defined as a main provider field in the CompositeProvider. This means it is expected to be a key field that uniquely identifies records in the data model.
  Incompatibility: The error may arise when there is an attempt to use this field in a way that is not compatible with its designation as a main provider field, such as in aggregations or calculations that do not align with its key status.
  
  Solution:
  
  Check Field Usage: Review how the field is being used in your queries or reports. Ensure that it is being used in a manner consistent with its designation as a main provider field.
  Modify CompositeProvider: If necessary, you can modify the CompositeProvider to change the field's status. This may involve:
  
  Removing the field from the main provider fields list if it does not need to be a key field.
  Adjusting the data model to ensure that the field is used appropriately.
  
  
  Consult Documentation: Refer to SAP documentation for CompositeProviders to understand the implications of changing field statuses and how to properly configure fields.
  Testing: After making changes, test the CompositeProvider and any associated queries to ensure that the error is resolved and that the data behaves as expected.
  
  Related Information:
  
  CompositeProvider: A CompositeProvider in SAP BW/4HANA allows you to combine data from different sources, including InfoProviders and other CompositeProviders. Understanding how fields are categorized within these providers is crucial for effective data modeling.
  Main Provider Fields: These fields are typically used for joins and are essential for the integrity of the data model. They should be used carefully to avoid conflicts in data retrieval.
  SAP Notes and Community: Check SAP Notes for any specific patches or updates related to this error. The SAP Community forums can also be a valuable resource for troubleshooting and finding solutions from other users who may have encountered similar issues.
  
  If the problem persists after trying the above solutions, consider reaching out to SAP support for further assistance.