How To Fix SWR280 - Invalid WAPI call with &1 <> &2

SAP Error Message - Details

• Message type: E = Error

• Message class: SWR - Business Workflow: WAPI Interfaces

• Message number: 280

• Message text: Invalid WAPI call with &1 <> &2

What causes this issue?

The WAPI interface is suggesting a function that cannot be offered for
security reasons.

System Response

The WAPI is closing with an exception.

How to fix this error?

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

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 SWR280 - Invalid WAPI call with &1 <> &2 ?

  The SAP error message SWR280 "Invalid WAPI call with &1 <> &2" typically occurs in the context of SAP Workflow. This error indicates that there is a mismatch in the parameters being passed to a Workflow API (WAPI) function call. The placeholders &1 and &2 represent the values that are being compared, and the error suggests that these values do not match the expected criteria.
  Cause:
  
  Parameter Mismatch: The most common cause of this error is that the parameters being passed to the WAPI function do not match the expected values. This could be due to incorrect data being passed or a misunderstanding of the expected input for the function.
  Configuration Issues: There may be issues with the configuration of the workflow or the specific WAPI being called, leading to incorrect parameter values.
  Custom Code: If there is custom code involved in the workflow, it may not be handling the parameters correctly, leading to this error.
  
  Solution:
  
  Check the WAPI Call: Review the code or configuration where the WAPI is being called. Ensure that the parameters being passed match the expected values. This may involve checking the documentation for the specific WAPI being used.
  Debugging: Use the SAP debugger to step through the workflow and identify where the parameters are being set and passed. This can help pinpoint the source of the mismatch.
  Review Workflow Configuration: Ensure that the workflow is correctly configured and that all necessary data is being passed correctly. Check for any changes that may have been made recently that could affect the workflow.
  Consult Documentation: Refer to SAP documentation for the specific WAPI being used to understand the expected parameters and their formats.
  Error Handling: Implement error handling in the workflow to manage unexpected values and provide more informative error messages.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues related to the specific WAPI or workflow you are using. SAP frequently updates their knowledge base with solutions to common problems.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they have found.
  Testing: If possible, create a test workflow to isolate the issue and test different parameter values to see what works and what does not.
  
  By following these steps, you should be able to identify the cause of the SWR280 error and implement a solution to resolve it.