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

SIW020 - Overview

• 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.

SIW020 - Details

• 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,