How To Fix FL181 - This function cannot be called from customer programs

SAP Error Message - Details

• Message type: E = Error

• Message class: FL - Function Builder messages

• Message number: 181

• Message text: This function cannot be called from customer programs

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 FL181 - This function cannot be called from customer programs ?

  The SAP error message FL181, which states "This function cannot be called from customer programs," typically occurs when a standard SAP function module or method is being called in a context that is not allowed. This restriction is often in place to protect the integrity of the system and ensure that certain functions are only executed in specific scenarios, usually within SAP's own processes or transactions.
  Cause:
  
  Unauthorized Context: The function module or method is designed to be called only from within SAP's own programs or specific transactions, not from custom ABAP programs or enhancements.
  Incorrect Usage: The function might be intended for internal use only, and calling it from a customer-developed program violates its intended use.
  Missing Authorization: Sometimes, the error can also be related to missing authorizations for the user executing the program.
  
  Solution:
  
  Review Documentation: Check the SAP documentation for the specific function module or method to understand its intended use and restrictions.
  Use Alternative Functions: Look for alternative function modules or methods that provide similar functionality but are designed for use in customer programs.
  Modify Custom Code: If you are calling the function in your custom code, consider refactoring your code to avoid calling restricted functions.
  Consult SAP Notes: Search for relevant SAP Notes that might provide additional context or solutions related to this error.
  Contact SAP Support: If you believe the function should be accessible or if you need further assistance, consider reaching out to SAP Support for guidance.
  
  Related Information:
  
  Function Module Documentation: You can access the documentation for the specific function module in the SAP system using transaction SE37 (Function Builder).
  ABAP Development Guidelines: Familiarize yourself with SAP's guidelines for ABAP development to avoid similar issues in the future.
  Authorization Checks: Ensure that the user executing the program has the necessary authorizations to call the function, if applicable.
  
  By following these steps, you should be able to address the FL181 error and adjust your program accordingly.