How To Fix FK355 - Function module & does not exist

FK355 - Overview

• 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.

FK355 - Details

• 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