How To Fix SIW433 - Name of the main data structure of the request/response must be &1

SAP Error Message - Details

• Message type: E = Error

• Message class: SIW - Service Implementation Workbench

• Message number: 433

• Message text: Name of the main data structure of the request/response must be &1

What causes this issue?

The node of the request or response message that comprises the data of
the business object must have the name of the business object<(>,<)> as
specified at the project header.

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?

Double-click on the message. This leads you to the field that needs to
be adapted. Here, replace the field name by the value that is indicated
in the message short text.

Procedure for System Administrators

Additional Hints
Within the SIW transaction, you can navigate from the displayed log
dialog to the erroneous mapping node. When you double-click the log
message, the system opens the corresponding detail screen and leaves the
log open. This enables you to correct the incorrect mapping entries
right away. To update the log messages, click the Mapping Check
pushbutton again.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message SIW433 - Name of the main data structure of the request/response must be &1 ?

  The SAP error message SIW433 indicates that there is an issue with the name of the main data structure in a request or response. This error typically arises in the context of SAP Integration scenarios, particularly when working with SAP Process Integration (PI) or SAP Process Orchestration (PO).
  Cause:
  The error message SIW433 is triggered when the name of the main data structure in the request or response does not match the expected name defined in the interface mapping or the data structure definition. This mismatch can occur due to several reasons, including:
  
  Incorrect Mapping: The mapping configuration may be incorrect, leading to a mismatch in the expected structure name.
  Changes in Data Structure: If the data structure has been modified (e.g., changes in the XSD or IDoc structure) but the mapping has not been updated accordingly.
  Configuration Errors: Errors in the configuration of the sender or receiver interfaces in the Integration Directory.
  Versioning Issues: If different versions of the data structure are being used, it may lead to discrepancies.
  
  Solution:
  To resolve the SIW433 error, you can follow these steps:
  
  
  Check Interface Mapping: Verify the interface mapping in the Integration Builder. Ensure that the main data structure name matches the expected name defined in the mapping.
  
  
  Review Data Structure Definitions: Check the data structure definitions (e.g., XSD, IDoc) to ensure that they are correctly defined and that the expected name is accurate.
  
  
  Update Mapping: If there have been changes to the data structure, update the mapping accordingly to reflect these changes.
  
  
  Test the Configuration: After making the necessary adjustments, test the configuration to ensure that the error is resolved.
  
  
  Check for Version Conflicts: Ensure that the correct version of the data structure is being used in both the sender and receiver systems.
  
  
  Consult Documentation: Refer to SAP documentation or notes related to the specific version of SAP you are using for any additional guidance or known issues.
  
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  Integration Builder: Familiarize yourself with the Integration Builder tool, as it is essential for managing mappings and configurations in SAP PI/PO.
  Testing Tools: Use testing tools available in SAP PI/PO to simulate the request/response and identify where the mismatch occurs.
  
  By following these steps, you should be able to identify and resolve the cause of the SIW433 error in your SAP environment.