How To Fix TK303 - Deployment target cannot be reset to SPACE

SAP Error Message - Details

• Message type: E = Error

• Message class: TK - Transport Organizer

• Message number: 303

• Message text: Deployment target cannot be reset to SPACE

What causes this issue?

Request "&V2&" cannot be transported to the system "&V1&" since this
system is a recipient system which receives transports from
consolidation layer '&V3&'.

System Response

The request cannot be released. The check was ended.

How to fix this error?

Change the target system of the request involved before you attempt to
release it again.
The system "&V3&" can only be supplied with transportable change
requests.

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Detailed information on configuring the Workbench Organizer system
tables can be found in the chapter "Setting up the Workbench Organizer
and the Transport System" of the online manual "BC Workbench Organizer"
(R/3 library -> Basis Components -> ABAP/4 Development Workbench ->
Workbench Organizer).

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message TK303 - Deployment target cannot be reset to SPACE ?

  The SAP error message TK303, which states "Deployment target cannot be reset to SPACE," typically occurs in the context of SAP Transport Management System (TMS) or during the deployment of transport requests. This error indicates that there is an issue with the transport target configuration, specifically that the system is trying to reset a deployment target to a space (blank), which is not allowed.
  Cause:
  
  Incorrect Configuration: The transport target may have been incorrectly configured in the TMS settings.
  Missing Target System: The target system may not be defined or is missing in the transport route.
  Transport Route Issues: There may be issues with the transport route configuration, such as missing or incorrect entries.
  User Permissions: The user may not have the necessary permissions to modify transport routes or targets.
  
  Solution:
  
  
  Check Transport Route Configuration:
  
  Go to the Transport Management System (TMS) configuration.
  Verify that the transport routes are correctly defined and that the target systems are properly configured.
  
  
  
  Define Target System:
  
  Ensure that the target system is defined in the TMS and is not set to a blank or space value.
  If necessary, add the target system back into the transport route.
  
  
  
  Review Transport Layer:
  
  Check the transport layer settings to ensure that they are correctly assigned to the transport routes.
  
  
  
  User Permissions:
  
  Ensure that the user has the necessary authorizations to make changes to the transport routes and targets.
  
  
  
  SAP Notes:
  
  Check for any relevant SAP Notes that may address this specific error. SAP frequently releases notes that provide fixes or workarounds for known issues.
  
  
  
  Consult Documentation:
  
  Review the SAP documentation related to TMS and transport management for additional guidance on configuring transport routes and targets.
  
  
  
  Related Information:
  
  Transaction Codes: You can use transaction codes like STMS to access the Transport Management System and SE01 to manage transport requests.
  SAP Support: If the issue persists after checking the above points, consider reaching out to SAP Support for further assistance.
  System Logs: Check system logs for any additional error messages or warnings that may provide more context about the issue.
  
  By following these steps, you should be able to resolve the TK303 error and ensure that your transport targets are correctly configured.