How To Fix RSDHA286 - Field '&1' can not be mapped

SAP Error Message - Details

• Message type: E = Error

• Message class: RSDHA - HANA Analysis in BW

• Message number: 286

• Message text: Field '&1' can not be mapped

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message RSDHA286 - Field '&1' can not be mapped ?

  The SAP error message RSDHA286, which states "Field '&1' cannot be mapped," typically occurs in the context of data modeling in SAP BW (Business Warehouse) or SAP HANA when there is an issue with the mapping of fields between data sources and InfoObjects or between different layers of data models.
  Cause:
  
  Field Not Defined: The field specified in the error message (&1) may not be defined in the target InfoObject or data model.
  Data Type Mismatch: There may be a mismatch in data types between the source field and the target field.
  Field Name Changes: If the source system has undergone changes (e.g., field renaming or deletion), the mapping may no longer be valid.
  Incompatible Structures: The structure of the source data may not match the expected structure in the target model.
  Missing Authorization: Sometimes, the user may not have the necessary authorizations to access the field.
  
  Solution:
  
  Check Field Definition: Verify that the field &1 is correctly defined in the target InfoObject or data model. Ensure that it exists and is active.
  Review Data Types: Ensure that the data types of the source field and the target field are compatible. If there is a mismatch, you may need to adjust the data type in the target InfoObject.
  Update Mappings: If the source structure has changed, update the mappings in the data model to reflect the current structure of the source data.
  Check for Changes in Source System: If there have been recent changes in the source system, ensure that the data extraction process is updated accordingly.
  Authorization Check: Ensure that the user has the necessary authorizations to access the field in question.
  Re-activate the InfoObject: Sometimes, re-activating the InfoObject or the data model can resolve mapping issues.
  
  Related Information:
  
  Transaction Codes: You may need to use transaction codes like RSA1 (Data Warehousing Workbench) to check InfoObjects and data models.
  Data Source: Check the data source configuration in the source system to ensure it is set up correctly.
  SAP Notes: Look for relevant SAP Notes that may address specific issues related to this error message.
  Documentation: Refer to SAP documentation for detailed information on data modeling and field mapping in BW or HANA.
  
  If the issue persists after trying the above solutions, consider reaching out to your SAP support team or consulting the SAP community for further assistance.