How To Fix SIW020 - Error during upload of &1 &2:&3

SAP Error Message - Details

• Message type: E = Error

• Message class: SIW - Service Implementation Workbench

• Message number: 020

• Message text: Error during upload of &1 &2:&3

What causes this issue?

The system could not generate objects in a remote system because of
remote function call (RFC) connections that are not working or not
defined.

System Response

The system cancels the generation of the current object.

How to fix this error?

To find the RFC connections that do not work, go to Customizing activity
<DS><DS:SIMG.DEFINE LANDSCAPE>Define Landscape</></> in transaction
<LS>SIW</> under the menu path <LS>Goto -> Customizing (IMG)</>.
Check whether you have defined valid RFC connections. If you have done
so, ask your system administrator to check the remote connections.

Procedure for System Administrators

To check the remote connections, use transaction <DS><DS:TRAN.SM59>SM59
</></>.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message SIW020 - Error during upload of &1 &2:&3 ?

  The SAP error message SIW020 typically indicates that there was an error during the upload of a specific object or data. The placeholders &1, &2, and &3 in the error message represent specific details about the error, such as the type of object being uploaded, the name of the object, and a description of the error.
  Cause:
  The causes of the SIW020 error can vary, but common reasons include:
  
  Data Format Issues: The data being uploaded may not be in the expected format or may contain invalid characters.
  Missing Required Fields: The upload file may be missing mandatory fields that are required for the upload process.
  Authorization Issues: The user performing the upload may not have the necessary authorizations to upload the specified object.
  System Configuration: There may be configuration issues in the SAP system that prevent the upload from being processed correctly.
  Network Issues: Temporary network issues could interrupt the upload process.
  
  Solution:
  To resolve the SIW020 error, you can take the following steps:
  
  Check the Upload File: Review the data in the upload file for any formatting issues, missing fields, or invalid characters. Ensure that it adheres to the required structure.
  Review Error Details: Look at the specific details provided in the error message (the values of &1, &2, and &3) to understand what object is causing the issue and what the specific error is.
  Check Authorizations: Ensure that the user performing the upload has the necessary authorizations to execute the upload for the specified object.
  Consult SAP Documentation: Refer to SAP documentation or help resources for guidance on the specific object type being uploaded and any known issues or requirements.
  Test in a Development Environment: If possible, test the upload in a development or test environment to identify and resolve issues without affecting production data.
  Contact SAP Support: If the issue persists and you cannot identify the cause, consider reaching out to SAP support for assistance.
  
  Related Information:
  
  Transaction Codes: Depending on the context of the upload, you may be using specific transaction codes (e.g., LSMW, BAPIs, etc.) that have their own set of requirements and configurations.
  SAP Notes: Check for any relevant SAP Notes that may address known issues related to the SIW020 error.
  Logs and Traces: Review system logs and traces for additional information that may help diagnose the issue.
  
  By following these steps, you should be able to identify the cause of the SIW020 error and implement a solution to resolve it.