How To Fix 5W050 - Function module & does not meet the workflow conventions

5W050 - Overview

• Message type: E = Error

• Message class: 5W - Messages for PD (Particularly Workflow)

• Message number: 050

• Message text: Function module & does not meet the workflow conventions

What causes this issue?

The function modules for rule resolution have a standard interface that
must be defined as follows:
Table parameters:
AC_CONTAINER with structure SWCONT
ACTOR_TAB with structure SWHACTOR
Other table parameters are not allowed.
Import parameters:
Only optional import parameters are allowed. The optional ACT_WEGID
parameter with reference field T778A-WEGID may be used for Org.
Management function modules.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

Adapt the rule function module so that it meets these conventions.

Error message extract from SAP system. Copyright SAP SE.

5W050 - Details

• The SAP error message 5W050 indicates that a function module does not meet the workflow conventions required for it to be used in a workflow context. This error typically arises when a function module is called within a workflow but does not adhere to the expected interface or structure that SAP workflows require.
  
  Cause:
  The primary causes of this error can include:
  
  Incorrect Function Module Signature: The function module may not have the correct importing, exporting, or changing parameters as expected by the workflow.
  Missing Exception Handling: The function module may not handle exceptions properly, which is crucial for workflows to manage errors effectively.
  Not Defined as a Workflow-Compatible Function: The function module may not be marked as a workflow-compatible function module in the SAP system.
  Incompatible Data Types: The data types of the parameters in the function module may not be compatible with what the workflow expects.
  
  
  Solution:
  To resolve the 5W050 error, you can take the