How To Fix TR303 - &1 is not a workbench request or customizing request

TR303 - Overview

• Message type: E = Error

• Message class: TR - Change and Transport System

• Message number: 303

• Message text: &1 is not a workbench request or customizing request

What causes this issue?

You need to specify a Workbench or Customizing request for this
function.
You cannot use tasks, transports of copies, or relocations here.

System Response

The function terminates.

How to fix this error?

Check your entry, correct it if necessary, and repeat the function.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message TR303 - &1 is not a workbench request or customizing request ?

  The SAP error message TR303 indicates that the transport request you are trying to work with is not recognized as a valid workbench request or customizing request. This can occur for several reasons, and understanding the cause is essential for resolving the issue.
  Causes of TR303 Error
  
  
  Incorrect Request Type: The transport request you are trying to use may not be a workbench or customizing request. It could be a transport request of a different type, such as a transport of copies.
  
  
  Request Status: The transport request may be in a status that does not allow it to be used, such as being released or not yet released.
  
  
  Authorization Issues: The user may not have the necessary authorizations to access or use the transport request.
  
  
  Transport Directory Issues: There may be issues with the transport directory or the transport management system configuration.
  
  
  Incorrect Transport Request Number: The transport request number you are using may be incorrect