How To Fix FMCA_BRF021 - Structure ID &1: '$' is a reserved character

SAP Error Message - Details

• Message type: E = Error

• Message class: FMCA_BRF - FMCA -> BRF Interface

• Message number: 021

• Message text: Structure ID &1: '$' is a reserved character

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message FMCA_BRF021 - Structure ID &1: '$' is a reserved character ?

  The SAP error message FMCA_BRF021 indicates that there is an issue with the use of a reserved character, specifically the dollar sign ($), in a structure ID within the Business Rule Framework (BRF) in SAP. This error typically arises when you are trying to create or modify a structure in BRF and inadvertently include a reserved character that is not allowed.
  Cause:
  The error is caused by the inclusion of the dollar sign ($) in the structure ID. In SAP BRF, certain characters are reserved and cannot be used in identifiers, as they may have special meanings or functions within the system.
  Solution:
  To resolve this error, you should:
  
  
  Identify the Structure ID: Check the structure ID that you are trying to create or modify. Look for the dollar sign ($) or any other reserved characters.
  
  
  Modify the Structure ID: Change the structure ID to remove the dollar sign and any other reserved characters. Use only valid characters that are allowed in SAP identifiers. Typically, valid characters include:
  
  Letters (A-Z, a-z)
  Numbers (0-9)
  Underscores (_)
  
  
  
  Save Changes: After modifying the structure ID, save your changes and try to execute the operation again.
  
  
  Related Information:
  
  Reserved Characters: In SAP, certain characters are reserved for specific functions. It is important to refer to the SAP documentation or guidelines for naming conventions to ensure that you are using valid identifiers.
  SAP Notes: Check for any relevant SAP Notes that may provide additional context or updates regarding this error message. SAP Notes can often provide solutions or workarounds for known issues.
  BRF Documentation: Review the Business Rule Framework documentation for best practices on naming conventions and structure definitions.
  
  By following these steps, you should be able to resolve the FMCA_BRF021 error and successfully work with your structure in SAP BRF.