How To Fix UJA_EXCEPTION121 - Required dimension type does not exist in model

SAP Error Message - Details

• Message type: E = Error

• Message class: UJA_EXCEPTION - BPC: Admin exception message class

• Message number: 121

• Message text: Required dimension type does not exist in model

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message UJA_EXCEPTION121 - Required dimension type does not exist in model ?

  The SAP error message UJA_EXCEPTION121 indicates that a required dimension type does not exist in the model you are working with. This error typically occurs in the context of SAP BW (Business Warehouse) or SAP HANA when you are trying to execute a query or perform an operation that requires a specific dimension that has not been defined or is missing from the data model.
  Cause:
  
  Missing Dimension: The dimension that is required for the operation is not defined in the InfoProvider or the data model.
  Incorrect Model Configuration: The model may not be configured correctly, leading to the absence of necessary dimensions.
  Data Source Issues: The data source may not be properly linked to the required dimensions.
  Transport Issues: If the model was transported from one system to another, some dimensions may not have been included in the transport.
  
  Solution:
  
  
  Check Model Configuration:
  
  Go to the model in the SAP BW or HANA studio and verify that all required dimensions are defined.
  Ensure that the dimension types are correctly set up and linked to the InfoProvider.
  
  
  
  Add Missing Dimensions:
  
  If a required dimension is missing, you may need to create it or add it to the model.
  Use the modeling tools in SAP BW or HANA to define the necessary dimensions.
  
  
  
  Validate Data Sources:
  
  Check the data sources associated with the model to ensure they are correctly configured and linked to the required dimensions.
  
  
  
  Transport Check:
  
  If the model was transported, verify that all necessary objects, including dimensions, were included in the transport request.
  If not, you may need to manually add the missing dimensions or re-transport the model.
  
  
  
  Rebuild or Refresh:
  
  Sometimes, rebuilding the model or refreshing the data can resolve inconsistencies. Consider reactivating the InfoProvider or running a data load to refresh the model.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or support notes related to the specific version of SAP BW or HANA you are using for additional troubleshooting steps.
  
  
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  SAP Community: Engage with the SAP Community forums for insights from other users who may have encountered similar issues.
  Training and Documentation: Review training materials or documentation on SAP BW or HANA modeling to ensure best practices are being followed.
  
  By following these steps, you should be able to identify the cause of the UJA_EXCEPTION121 error and implement a solution to resolve it.