How To Fix RS_RSEM_MODEL021 - Value '&1' is not valid

SAP Error Message - Details

• Message type: E = Error

• Message class: RS_RSEM_MODEL - Messages for BW Entity Model

• Message number: 021

• Message text: Value '&1' is not valid

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.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

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Smart SAP Assistant

• What is the cause and solution for SAP error message RS_RSEM_MODEL021 - Value '&1' is not valid ?

  The SAP error message RS_RSEM_MODEL021, which states "Value '&1' is not valid," typically occurs in the context of SAP BW (Business Warehouse) or SAP BW/4HANA when dealing with queries, data models, or InfoProviders. This error indicates that a value being used in a query or data model is not recognized or is invalid.
  Causes:
  
  Invalid Character or Format: The value being referenced may contain invalid characters or may not conform to the expected format.
  Non-Existent Value: The value might not exist in the underlying data model or InfoProvider. This can happen if the data has been changed or if the value was deleted.
  Incorrect Variable Assignment: If the value is being used as a variable in a query, it may not be properly assigned or initialized.
  Data Type Mismatch: The value may not match the expected data type for the field or variable in question.
  Authorization Issues: Sometimes, the user may not have the necessary authorizations to access certain values or data.
  
  Solutions:
  
  Check the Value: Verify that the value being used is correct and exists in the data model or InfoProvider. You can do this by checking the relevant tables or data sources.
  Review Query Variables: If the error occurs in a query, check the variables used in the query. Ensure they are correctly defined and initialized.
  Data Type Verification: Ensure that the value matches the expected data type. For example, if a numeric value is expected, ensure that the value is indeed numeric.
  Update Data Model: If the data model has changed, ensure that all references to values are updated accordingly.
  Check Authorizations: Ensure that the user has the necessary authorizations to access the data or values in question.
  Debugging: If you have access to debugging tools, you can trace the execution to see where the error is being triggered and gather more context about the invalid value.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. SAP frequently updates its knowledge base with solutions for common errors.
  Transaction Codes: Use transaction codes like RSA1 (Data Warehousing Workbench) to analyze InfoProviders and data models.
  Documentation: Refer to SAP BW documentation for detailed information on query design and data modeling best practices.
  Community Forums: Engage with SAP community forums or support channels for additional insights and shared experiences from other users who may have encountered the same issue.
  
  By following these steps, you should be able to identify the cause of the RS_RSEM_MODEL021 error and implement an appropriate solution.