How To Fix FC191 - Function module & does not exist

FC191 - Overview

• Message type: E = Error

• Message class: FC - FI configuration error messages

• Message number: 191

• Message text: Function module & does not exist

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 FC191 - Function module & does not exist ?

  The SAP error message FC191 indicates that a specific function module does not exist in the system. This error typically arises when a program or transaction attempts to call a function module that is either not defined, has been deleted, or is not available in the current SAP system environment.
  Causes of FC191 Error
  
  Function Module Not Created: The function module may not have been created in the system.
  Incorrect Name: There may be a typo or incorrect naming in the code where the function module is being called.
  Transport Issues: The function module may exist in the development environment but has not been transported to the production environment.
  Authorization Issues: The user may not have the necessary authorizations to access the function module.
  System Version: The function module may exist in a different version of SAP or in a different client.
  
  Solutions to FC191 Error
  
  
  Check Function Module Existence:
  
  Use transaction code SE37 (Function Builder) to check if