How To Fix R7B521 - Specify reference table and reference field

SAP Error Message - Details

• Message type: E = Error

• Message class: R7B - BW Metadata (InfoCube, InfoObject, InfoObject catalog)

• Message number: 521

• Message text: Specify reference table and reference field

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

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Smart SAP Assistant

• What is the cause and solution for SAP error message R7B521 - Specify reference table and reference field ?

  The SAP error message R7B521, which states "Specify reference table and reference field," typically occurs in the context of SAP BW (Business Warehouse) or when working with data modeling in SAP systems. This error indicates that a reference table and reference field need to be defined for a certain operation, such as creating a data source, InfoObject, or during the configuration of a data model.
  Cause:
  
  Missing Reference Table/Field: The error usually arises when a required reference table or field is not specified in the configuration settings. This can happen during the creation of InfoObjects, data sources, or when defining relationships between different data elements.
  Incorrect Configuration: If the configuration settings are incomplete or incorrect, the system may not be able to identify the necessary reference information.
  Data Model Issues: If there are issues with the data model or if the data source is not properly linked to the reference table, this error can occur.
  
  Solution:
  
  
  Check Configuration: Go to the relevant configuration area (e.g., InfoObject maintenance, data source settings) and ensure that you have specified the reference table and reference field correctly.
  
  For InfoObjects, navigate to the InfoObject definition and check the "Reference Table" and "Reference Field" settings.
  For data sources, ensure that the source system and the fields are correctly mapped.
  
  
  
  Define Reference Table/Field: If you have not defined a reference table or field, you need to do so. This can usually be done in the InfoObject or data source configuration screen.
  
  Make sure to select the appropriate table and field that corresponds to the data you are working with.
  
  
  
  Review Data Model: If the error persists, review the overall data model to ensure that all relationships and mappings are correctly set up. Check for any inconsistencies or missing links between objects.
  
  
  Consult Documentation: If you are unsure about which reference table or field to use, consult the SAP documentation or help resources related to the specific module you are working with.
  
  
  Testing: After making the necessary changes, test the configuration to ensure that the error is resolved and that the data flow works as expected.
  
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any specific notes related to this error message. SAP frequently updates its knowledge base with solutions for common issues.
  SAP Community: Engage with the SAP Community forums where other users may have encountered similar issues and can provide insights or solutions.
  Training and Documentation: If you are new to SAP BW or data modeling, consider reviewing training materials or documentation to better understand how to configure reference tables and fields.
  
  By following these steps, you should be able to resolve the R7B521 error and continue with your SAP BW or data modeling tasks.