How To Fix WSUBST028 - Error while creating the switch-back information

WSUBST028 - Overview

• Message type: E = Error

• Message class: WSUBST - Substitution Article Handling

• Message number: 028

• Message text: Error while creating the switch-back information

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

Unfortunately, there isn't any extra information in this error notice.

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Smart SAP Assistant

• What is the cause and solution for SAP error message WSUBST028 - Error while creating the switch-back information ?

  SAP Error Message:
  WSUBST028 - Error while creating the switch-back information
  
  Cause
  The error WSUBST028 typically occurs during a system copy, client copy, or system refresh process when SAP tries to create "switch-back" information but fails. The "switch-back" information is used to revert the system to its previous state if the copy or refresh process needs to be undone.
  Common causes include:
  
  Missing or inconsistent transport routes or transport layers in the system.
  Authorization issues preventing the creation or writing of switch-back data.
  Database inconsistencies or locks that prevent the creation of required entries.
  Incorrect or incomplete configuration of the transport management system (TMS).
  Issues with the transport directory or file system permissions where switch-back information is stored.
  Problems with the client copy or system copy process itself, such as interrupted or incomplete steps.
  
  
  Solution
  To resolve the WSUBST028 error, consider the following steps:
  
  
  Check Transport Routes and Layers:
  
  Verify that the transport routes and layers are correctly configured in the Transport Management System