How To Fix RSDHA159 - Input mapping missing for target '&1'

SAP Error Message - Details

• Message type: E = Error

• Message class: RSDHA - HANA Analysis in BW

• Message number: 159

• Message text: Input mapping missing for target '&1'

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message RSDHA159 - Input mapping missing for target '&1' ?

  The SAP error message RSDHA159 indicates that there is a missing input mapping for a target object in the context of SAP BW (Business Warehouse) or SAP HANA. This error typically arises when you are trying to execute a data flow or transformation, and the system cannot find the necessary input mapping for the specified target.
  Cause:
  
  Missing Input Mapping: The most common cause is that the input mapping for the target object (like a DataStore Object (DSO), InfoCube, or CompositeProvider) has not been defined or is incomplete.
  Incorrect Configuration: The target object may not be properly configured to receive data from the source.
  Changes in Data Model: If there have been recent changes to the data model, such as renaming fields or changing data types, the input mapping may need to be updated accordingly.
  Transport Issues: If the object was transported from one system to another, the input mapping might not have been included in the transport request.
  
  Solution:
  
  Check Input Mapping: Go to the Data Flow or Transformation that is causing the error and check the input mapping settings. Ensure that all required fields are correctly mapped to the target.
  Define Missing Mappings: If any mappings are missing, define them by selecting the appropriate source fields and mapping them to the target fields.
  Validate Data Model: Ensure that the data model is consistent and that all fields in the source and target are correctly defined. If there are changes, update the mappings accordingly.
  Re-activate Objects: Sometimes, re-activating the transformation or the data flow can resolve the issue. This can be done in the SAP BW modeling tools.
  Check Transport Requests: If the issue arose after a transport, check the transport request to ensure that all necessary objects were included and correctly transported.
  Consult Documentation: Review SAP documentation or notes related to the specific version of SAP BW or HANA you are using for any known issues or additional troubleshooting steps.
  
  Related Information:
  
  Transaction Codes: You may use transaction codes like RSA1 (Data Warehousing Workbench) to access the modeling tools and check the mappings.
  SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that may address this specific error or provide additional troubleshooting steps.
  Community Forums: Consider checking SAP Community forums or other user groups for similar issues and solutions shared by other users.
  
  By following these steps, you should be able to identify and resolve the cause of the RSDHA159 error message in your SAP environment.