How To Fix SIW036 - At least two parameters expected in target signature

SIW036 - Overview

• Message type: E = Error

• Message class: SIW - Service Implementation Workbench

• Message number: 036

• Message text: At least two parameters expected in target signature

What causes this issue?

SOA services follow patterns like Query<->Response or Request
<->Confirmation. As a consequence, a request and a response type must be
filled from the API parameters. This is not possible, as less then two
parameters exist in the target signature.

System Response

A mapping check error occurred. As long as the mapping is not complete,
subsequent steps like the ES Repository content generation, the
generation of proxies or repository objects will not be started. The
process is interrupted due to the negative check result.

How to fix this error?

Please check your API method - especially the number of parameters.
If you can not find any problem here, contact the originator of the
populator class used by your current configuration.

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 SIW036 - At least two parameters expected in target signature ?

  The SAP error message SIW036: At least two parameters expected in target signature typically occurs in the context of SAP BusinessObjects or SAP BW when there is an issue with the way a function or method is being called, particularly when it involves parameters.
  
  Cause:
  This error generally indicates that a function or method is expecting at least two parameters to be passed to it, but it is either receiving fewer than that or none at all. This can happen due to:
  
  Incorrect Function Call: The function is being called with the wrong number of arguments.
  
  Configuration Issues: There may be a misconfiguration in the report or query that is leading to this error.
  Data Source Issues: The data source being queried may not be set up correctly, leading to missing parameters.
  Version Compatibility: There may be compatibility issues between different versions of SAP components.
  
  
  Solution:
  To resolve the SIW036 error, you can take the following steps:
  
  
  Check Function