How To Fix FK355 - Function module & does not exist

SAP Error Message - Details

• Message type: E = Error

• Message class: FK - Factory calendar

• Message number: 355

• Message text: Function module & does not exist

What causes this issue?

The function module &V1& wss not found in the function library.

System Response

The program was cancelled.

How to fix this error?

Please inform the system administrator.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message FK355 - Function module & does not exist ?

  The SAP error message FK355 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 system environment.
  Causes of FK355 Error
  
  
  Missing Function Module: The function module being called is not present in the SAP system. This could be due to a missing transport or an incomplete installation.
  
  
  Incorrect Function Module Name: There may be a typo or incorrect name in the code that is trying to call the function module.
  
  
  Authorization Issues: The user may not have the necessary authorizations to access the function module, leading to the system not recognizing it.
  
  
  System Version: The function module may exist in a different version of SAP or in a different client.
  
  
  Transport Issues: If the function module was recently transported from another system, there may have been issues during the transport process.
  
  
  Solutions to FK355 Error
  
  
  Check Function Module Existence:
  
  Use transaction code SE37 (Function Builder) to check if the function module exists in the system. Enter the name of the function module and see if it is available.
  
  
  
  Correct the Name:
  
  If there is a typo in the function module name, correct it in the code where it is being called.
  
  
  
  Check Authorizations:
  
  Ensure that the user has the necessary authorizations to access the function module. This can be checked using transaction SU53 or by consulting with your security team.
  
  
  
  Transport the Function Module:
  
  If the function module is missing, you may need to transport it from another system where it exists. Consult with your Basis team to perform this action.
  
  
  
  Check System Version:
  
  Verify that the function module is compatible with the version of SAP you are using. If it is a custom function module, ensure it has been developed and activated in your system.
  
  
  
  Debugging:
  
  If you have access to debugging tools, you can set breakpoints in the code to see where the error is being triggered and gather more context about the issue.
  
  
  
  Related Information
  
  
  SAP Notes: Check SAP Notes for any known issues related to the specific function module or error message. You can search for FK355 in the SAP Support Portal.
  
  
  Documentation: Review the documentation for the specific program or transaction that is generating the error to understand its dependencies and requirements.
  
  
  Community Forums: Consider checking SAP Community forums or other online resources where similar issues may have been discussed.
  
  
  By following these steps, you should be able to identify the cause of the FK355 error and implement a solution to resolve it.