How To Fix 5W701 - Function code may not begin with a special character

SAP Error Message - Details

• Message type: E = Error

• Message class: 5W - Messages for PD (Particularly Workflow)

• Message number: 701

• Message text: Function code may not begin with a special character

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message 5W701 - Function code may not begin with a special character ?

  The SAP error message 5W701 indicates that a function code is not valid because it begins with a special character. Function codes are typically used in SAP to define actions that can be triggered by user interactions, such as button clicks or menu selections. 
  Cause:
  The error occurs when the function code you are trying to use starts with a character that is not allowed. In SAP, function codes should generally start with an alphanumeric character (A-Z, 0-9) and should not begin with special characters like @, #, $, etc.
  Solution:
  To resolve this error, you should:
  
  
  Check the Function Code: Review the function code you are trying to use. Ensure that it starts with a valid alphanumeric character.
  
  
  Modify the Function Code: If the function code starts with a special character, change it to start with a valid character. For example, if your function code is @MYFUNC, change it to MYFUNC or A_MYFUNC.
  
  
  Test the Changes: After modifying the function code, test the functionality to ensure that it works as expected without triggering the error.
  
  
  Related Information:
  
  
  Function Codes: These are defined in the SAP GUI and are used to trigger specific actions. They are often defined in transaction codes, screen elements, or custom programs.
  
  
  SAP Documentation: For more detailed information about function codes and their usage, refer to the SAP Help Portal or the specific documentation related to the module you are working with.
  
  
  Debugging: If you continue to encounter issues, consider using the SAP debugger to trace where the function code is being set or called, which may provide additional context for the error.
  
  
  By following these steps, you should be able to resolve the 5W701 error and ensure that your function codes are correctly defined.