How To Fix WRF_CHAR_VAL121 - The specified function is invalid

WRF_CHAR_VAL121 - Overview

• Message type: E = Error

• Message class: WRF_CHAR_VAL - Messages for Package WRF_CHARACTERISTIC_VALUE_GRP

• Message number: 121

• Message text: The specified function is invalid

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.

Unfortunately, there isn't any extra information in this error notice.

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Smart SAP Assistant

• What is the cause and solution for SAP error message WRF_CHAR_VAL121 - The specified function is invalid ?

  SAP Error Message:
  WRF_CHAR_VAL121 The specified function is invalid
  
  
  Cause:
  This error typically occurs when a function code or function module being called or referenced in a workflow or program is not valid or recognized by the system. It can happen due to:
  
  Incorrect or misspelled function code.
  The function module or method does not exist or is not active.
  The function is not allowed in the current context (e.g., in a workflow step or user action).
  Custom developments or enhancements referencing invalid or obsolete function codes.
  Authorization issues where the user does not have permission to execute the function.
  
  
  Where it commonly appears:
  
  SAP Business Workflow (WF) when a workflow step calls a function that is invalid.
  Custom ABAP programs or user exits/enhancements calling function modules.
  User actions or tasks in workflows referencing invalid function codes.
  SAP GUI transactions or reports that internally call invalid functions.
  
  
  
  Solution:
  
  
  Check the Function Code:
  
  Verify the function code or function module name used in the workflow step, program,