How To Fix BRF664 - Class name &1 must not start with a figure

SAP Error Message - Details

• Message type: E = Error

• Message class: BRF - Messages for Business Rule Framework

• Message number: 664

• Message text: Class name &1 must not start with a figure

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message BRF664 - Class name &1 must not start with a figure ?

  The SAP error message BRF664 indicates that there is an issue with the naming convention of a class in the Business Rule Framework (BRF). Specifically, the error states that the class name must not start with a figure (numeric character). 
  Cause:
  The error occurs when you attempt to create or modify a class in BRF and the name you have provided begins with a number. In SAP's naming conventions, class names (and many other identifiers) must start with an alphabetic character (A-Z, a-z) and cannot begin with a digit (0-9).
  Solution:
  To resolve this error, you need to rename the class so that it starts with a letter. Here are the steps you can follow:
  
  Identify the Class Name: Determine the class name that is causing the error.
  Rename the Class: Change the class name to start with an alphabetic character. For example, if the class name is "1ClassName", you could rename it to "Class1Name" or "A1ClassName".
  Save Changes: After renaming, save the changes and check if the error persists.
  
  Related Information:
  
  Naming Conventions: Familiarize yourself with SAP's naming conventions for various objects, including classes, to avoid similar issues in the future.
  BRF Documentation: Review the official SAP documentation for the Business Rule Framework to understand the requirements and limitations regarding naming and other configurations.
  Testing: After making the changes, test the functionality to ensure that the renaming does not affect any existing logic or rules associated with the class.
  
  By following these steps, you should be able to resolve the BRF664 error and successfully create or modify your class in the Business Rule Framework.