How To Fix SIW078 - Namespace mismatch between &1 and &2 during creation of function module

SIW078 - Overview

• Message type: E = Error

• Message class: SIW - Service Implementation Workbench

• Message number: 078

• Message text: Namespace mismatch between &1 and &2 during creation of function module

What causes this issue?

You have used different namespaces for the specified function and for
the function group.

System Response

The system terminated generation of the function module but other
objects may have been generated.

How to fix this error?

To ensure that the namespace, function group, and function name are
compatible, you need to do one (or more) of the following:
If specified in a context variable of the current configuration, change
the namespace definition.
Choose another function name.
Choose another function group.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message SIW078 - Namespace mismatch between &1 and &2 during creation of function module ?

  The SAP error message SIW078 indicates a namespace mismatch between two objects when you are trying to create a function module. This typically occurs when the function module you are trying to create is in a different namespace than the one specified in the system or the one that is expected.
  
  Cause:
  
  Namespace Configuration: The function module is being created in a namespace that does not match the expected namespace for the project or the package.
  Package Assignment: The package assigned to the function module may not be compatible with the namespace of the function module.
  Transport Layer Issues: If you are working in a transport layer that has specific namespace rules, this can lead to mismatches.
  
  
  Solution:
  
  Check Namespace: Verify the namespace of the function module you are trying to create. Ensure that it matches the expected namespace for your project or package.
  Change Package: If the function module is assigned to a package, check if