How To Fix RSDD426 - '&3': '&2' cannot be in aggregate because of characteristic '&1'

SAP Error Message - Details

• Message type: E = Error

• Message class: RSDD - Message class for data manager

• Message number: 426

• Message text: '&3': '&2' cannot be in aggregate because of characteristic '&1'

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message RSDD426 - '&3': '&2' cannot be in aggregate because of characteristic '&1' ?

  The SAP error message RSDD426 typically occurs in the context of SAP BW (Business Warehouse) when there is an issue with the aggregation of data in a query or InfoProvider. The message indicates that a certain characteristic cannot be included in an aggregate due to its relationship with another characteristic.
  
  Cause:
  The error message RSDD426 is triggered when:
  
  Incompatible Characteristics: The characteristic specified (represented by &1) is incompatible with the aggregation of the measure or characteristic specified (represented by &2) in the context of the aggregate (represented by &3).
  Data Model Issues: There may be issues in the data model, such as incorrect relationships or hierarchies that prevent the aggregation from being valid.
  Missing Aggregation Logic: The aggregation logic for the characteristic may not be defined correctly, or the characteristic may not be suitable for aggregation due to its nature (e.g., it may be a text field or a non-aggregatable field).
  
  
  Solution:
  To resolve the RSDD426 error,