How To Fix UJP_EXCEPTION021 - Region WHERE &1 or USING &2 has many members, but they are not equal

SAP Error Message - Details

• Message type: E = Error

• Message class: UJP_EXCEPTION - BPC: Message Class for UJP Exception

• Message number: 021

• Message text: Region WHERE &1 or USING &2 has many members, but they are not equal

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message UJP_EXCEPTION021 - Region WHERE &1 or USING &2 has many members, but they are not equal ?

  The SAP error message UJP_EXCEPTION021 typically occurs in the context of SAP's Integrated Business Planning (IBP) or similar applications where you are working with planning models and data. This error indicates that there is a discrepancy in the members of a region defined in your planning model. Specifically, it suggests that the members in the specified region (WHERE &1 or USING &2) are not equal, which can lead to inconsistencies in calculations or data processing.
  
  Cause:
  
  Inconsistent Member Definitions: The members defined in the region may not match in terms of their attributes or hierarchies. For example, if you are using a characteristic that has different values or hierarchies in different contexts, this can lead to the error.
  Data Model Issues: There may be issues with the underlying data model, such as missing or incorrectly defined attributes for the members.
  Incorrect Filters or Conditions: The filters or conditions applied in the planning view or