How To Fix CACSOA171 - Not all functions defined in application plug '&1' exist

SAP Error Message - Details

• Message type: E = Error

• Message class: CACSOA - FOA: Messages Related to Object Assignments

• Message number: 171

• Message text: Not all functions defined in application plug '&1' exist

What causes this issue?

While attempting to create a <DS:TX.CACS_OAWL>worklist for object
assignment</>, the system has detected an error. At least one of the
function modules that implement the <DS:DE.CACSOAPLUGMETH>methods</> of
the <DS:DE.CACSOAPLUG>application plug</> does not exist in the system.

System Response

You cannot continue processing under these circumstances. Processing is
terminated.

How to fix this error?

Check the application plug for the <DS:TX.CACS_OATY>assignment type</>
of the <DS:TX.CACS_OAWLD>definition for worklist</> for which you wish
to create a worklist.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CACSOA171 - Not all functions defined in application plug '&1' exist ?

  The SAP error message CACSOA171 indicates that not all functions defined in the application plug (specified by &1) exist. This typically occurs in the context of SAP's Composite Application Framework (CAF) or when working with Web Dynpro applications, where application plugs are used to define the interface between different components.
  
  Cause:
  
  Missing Function Definitions: The error usually arises when the application plug is defined with certain functions that are not implemented or are missing in the corresponding component.
  Inconsistent Configuration: There may be inconsistencies in the configuration of the application plug, such as changes made to the plug without updating the corresponding implementation.
  Transport Issues: If the application plug was transported from one system to another, it’s possible that the transport did not include all necessary components or functions.
  Development Errors: Errors during the development phase, such as incomplete coding or incorrect references, can lead to this issue.
  
  
  Solution:
  
  Check Function Definitions: Verify that all functions defined