How To Fix UGX2303 - Restriction of parent field &1 is ambiguous

SAP Error Message - Details

• Message type: E = Error

• Message class: UGX2 - Messages for XBRL Reporting

• Message number: 303

• Message text: Restriction of parent field &1 is ambiguous

What causes this issue?

The characteristic &V2& is restricted by the value selection &V3& in a
selection condition. However, the restriction of the parent
characteristic in the value selection &V3& is different.

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?

Adjust the restriction of the parent characteristic &V1& or delete it.
In the latter case, the system automatically uses the restriction in the
value selection.

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 UGX2303 - Restriction of parent field &1 is ambiguous ?

  The SAP error message UGX2303, which states "Restriction of parent field &1 is ambiguous," typically occurs in the context of SAP BW (Business Warehouse) or SAP HANA when there is an issue with the way data is being queried or restricted in a report or query.
  Cause:
  The error arises when there are multiple possible interpretations of a restriction applied to a parent field in a hierarchy or a characteristic. This can happen in scenarios such as:
  
  Multiple Hierarchies: If the characteristic has multiple hierarchies and the query does not specify which hierarchy to use, SAP cannot determine which one to apply.
  Ambiguous Relationships: If there are overlapping or conflicting relationships in the data model, the system may not be able to resolve which parent field to use for the restriction.
  Incorrect Query Design: The query might be designed in a way that does not clearly define the relationships between the fields, leading to ambiguity.
  
  Solution:
  To resolve the UGX2303 error, you can take the following steps:
  
  
  Check Hierarchies: Review the hierarchies associated with the characteristic in question. Ensure that the query specifies which hierarchy to use if there are multiple options.
  
  
  Clarify Restrictions: Modify the query to clarify the restrictions applied to the parent field. This may involve explicitly defining the hierarchy or ensuring that the restrictions do not conflict.
  
  
  Review Data Model: Examine the data model for any ambiguous relationships or overlapping characteristics. Ensure that the relationships are clearly defined and that there are no conflicts.
  
  
  Query Designer: If you are using the Query Designer, check the properties of the characteristic and ensure that the settings are correct. You may need to adjust the properties to eliminate ambiguity.
  
  
  Test with Simplified Queries: If the issue persists, try running simplified versions of the query to isolate the problem. Gradually add complexity back to identify the specific restriction causing the ambiguity.
  
  
  Consult Documentation: Refer to SAP documentation or community forums for additional insights or similar cases. There may be specific notes or patches available that address this issue.
  
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or fixes related to this error message. SAP frequently updates its knowledge base with solutions to common problems.
  SAP Community: Engage with the SAP Community forums where other users may have encountered and resolved similar issues.
  Training and Documentation: Consider reviewing training materials or documentation related to SAP BW or HANA query design to better understand how to structure queries and avoid ambiguity.
  
  By following these steps, you should be able to identify and resolve the cause of the UGX2303 error in your SAP environment.