How To Fix BRAIN_DEV051 - Element &4: CURRENT MEMBER not compatible with mandatory char. &1

SAP Error Message - Details

• Message type: E = Error

• Message class: BRAIN_DEV - BRAIN messages (for use by development)

• Message number: 051

• Message text: Element &4: CURRENT MEMBER not compatible with mandatory char. &1

What causes this issue?

Element &V4& contains a selection on characteristic &V3& with a CURRENT
MEMBER variable and key figure &V2&. Key figure &V2& has the mandatory
characteristic &V1& (for example as a (formula) reference for exception
aggregation).
Characteristic &V1& is incompatible with characteristic &V3& of the
CURRENT MEMBER variable, because a value of &V1& cannot normally be
uniquely derived from a value of &V3&.

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 definition of the structure element according to the
limitation described above.

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 BRAIN_DEV051 - Element &4: CURRENT MEMBER not compatible with mandatory char. &1 ?

  The SAP error message BRAIN_DEV051 indicates that there is a compatibility issue with a member in a query or report. Specifically, it suggests that the "CURRENT MEMBER" is not compatible with a mandatory characteristic that is expected in the context of the query or report.
  Cause:
  
  Incompatible Member: The error typically arises when the current member being referenced does not match the expected data type or characteristics of the mandatory characteristic. For example, if a characteristic is defined as mandatory in the query and the current member does not fulfill this requirement, the error will occur.
  Hierarchy Issues: If the member is part of a hierarchy and the current member does not belong to the expected level or node of that hierarchy, it can lead to this error.
  Data Model Changes: Changes in the underlying data model, such as modifications to characteristics or hierarchies, can also lead to this error if the query has not been updated accordingly.
  
  Solution:
  
  Check Query Definition: Review the query definition to ensure that the mandatory characteristics are correctly defined and that the current member being referenced is compatible with these characteristics.
  Validate Member Compatibility: Ensure that the current member being used in the query is valid and compatible with the mandatory characteristic. You may need to adjust the member selection or the context in which it is being used.
  Review Hierarchies: If the characteristic is part of a hierarchy, check that the current member is at the correct level of the hierarchy and that it is valid within that context.
  Update Data Model: If there have been changes to the data model, ensure that the query is updated to reflect these changes. This may involve re-creating the query or modifying it to align with the new data structure.
  Test with Different Members: Try using different members in the query to see if the error persists. This can help identify if the issue is with a specific member or a broader compatibility issue.
  
  Related Information:
  
  SAP Notes and Documentation: Check SAP Notes for any known issues or patches related to this error message. SAP's support portal may have additional insights or updates.
  Query Designer: Use the Query Designer tool to analyze the query and its components. This tool can help identify where the incompatibility lies.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they have found.
  
  By following these steps, you should be able to diagnose and resolve the BRAIN_DEV051 error in your SAP environment.