How To Fix SWF_BND_001030 - Function module '&1' does not correspond to the binding interface

SAP Error Message - Details

• Message type: E = Error

• Message class: SWF_BND_001 - Messages for workflow binding class

• Message number: 030

• Message text: Function module '&1' does not correspond to the binding interface

What causes this issue?

Function module &V1& is to be used in a programmed binding. However,
the module does not correspond to the necessary convention. You require
the following parameters:
&V2&
&V3&
&V4&
Additional parameters (import or tables) are accepted, but must be
marked as optional.

System Response

The function module cannot be used in its current format.

How to fix this error?

Adapt the function module interface accordingly. The function module
<AB>SWA_BINDING_TEMPLATE</> can be used as the copy template.

Procedure for System Administrators

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

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message SWF_BND_001030 - Function module '&1' does not correspond to the binding interface ?

  The SAP error message SWF_BND_001030 indicates that there is a mismatch between a function module and its expected binding interface in the context of SAP Workflow. This typically occurs when the function module being called does not match the interface defined in the workflow binding.
  Cause:
  
  Mismatch in Parameters: The function module may have been changed (e.g., parameters added, removed, or modified) after it was originally defined in the workflow binding.
  Incorrect Function Module: The wrong function module may have been assigned to the workflow.
  Versioning Issues: If the function module has been updated or if there are multiple versions of the function module, the workflow may still be referencing an older version.
  Transport Issues: If the function module was transported from one system to another, the binding may not have been updated accordingly.
  
  Solution:
  
  Check Function Module: Verify that the function module specified in the error message exists and is active. Check its parameters to ensure they match the expected interface.
  Update Workflow Binding: If the function module has changed, update the workflow binding to reflect the current parameters of the function module. This can be done in the workflow definition.
  Recreate Binding: If necessary, delete the existing binding and recreate it to ensure that it aligns with the current function module.
  Test the Function Module: Execute the function module independently to ensure it works as expected and returns the correct parameters.
  Check Transport Requests: If the function module was transported, ensure that all related objects (including the workflow) were transported correctly and are in sync.
  Consult Documentation: Review any documentation or change logs related to the function module to understand what changes may have affected the binding.
  
  Related Information:
  
  Transaction Codes: You can use transaction codes like SWDD (Workflow Builder) to check and modify workflows, and SE37 (Function Module) to check the function module.
  Debugging: If the issue persists, consider debugging the workflow to trace where the binding fails.
  SAP Notes: Check SAP Notes for any known issues or patches related to the specific function module or workflow you are working with.
  Community Forums: SAP Community and other forums can be helpful for finding similar issues and solutions shared by other users.
  
  By following these steps, you should be able to resolve the SWF_BND_001030 error and ensure that your workflow functions correctly with the intended function module.