How To Fix CTS_CONFIG_MSG_CL155 - Client is not available for system &1/domain &2

SAP Error Message - Details

• Message type: E = Error

• Message class: CTS_CONFIG_MSG_CL - Message Class for Central CTS Configuration

• Message number: 155

• Message text: Client is not available for system &1/domain &2

What causes this issue?

You have not yet specified any client for system &v1& and domain &v2&.

System Response

The system cannot perform the specified action.

How to fix this error?

If the system is a non-ABAP system, the required client is the one that
you set as value for the TMS parameter NON_ABAP_WBO_CLIENT. For more
information, choose "See Details" in the "Status" column. Set the
NON_ABAP_WBO_CLIENT to a valid value as described in the dialog box.

Procedure for System Administrators

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

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CTS_CONFIG_MSG_CL155 - Client is not available for system &1/domain &2 ?

  The SAP error message CTS_CONFIG_MSG_CL155 indicates that a client is not available for a specific system and domain. This error typically arises in the context of the Change and Transport System (CTS) when there is an issue with the configuration of clients in the transport landscape.
  Cause:
  
  Client Not Configured: The client you are trying to access or transport changes to is not configured in the CTS settings.
  Incorrect Domain: The domain specified may not be correct or may not have the client defined.
  Transport Directory Issues: There may be issues with the transport directory or the transport routes.
  Authorization Issues: The user may not have the necessary authorizations to access the specified client or system.
  System Configuration: The system may not be properly configured to recognize the client in question.
  
  Solution:
  
  
  Check Client Configuration:
  
  Go to transaction SCC4 and verify that the client is correctly configured in the system.
  Ensure that the client is set up for the appropriate transport layer.
  
  
  
  Verify Domain Settings:
  
  Check the domain settings in transaction STMS (Transport Management System) to ensure that the domain is correctly defined and that the client is included.
  
  
  
  Transport Directory:
  
  Ensure that the transport directory is correctly set up and that there are no issues with the transport routes. You can check this in transaction STMS under the "Overview" section.
  
  
  
  User Authorizations:
  
  Verify that the user has the necessary authorizations to perform transport operations in the specified client. You can check this in transaction SU01.
  
  
  
  System Configuration:
  
  Ensure that the system is properly configured to recognize the client. This may involve checking the system parameters and transport settings.
  
  
  
  Check Transport Routes:
  
  In transaction STMS, check the transport routes to ensure that they are correctly defined and that the system can communicate with the specified client.
  
  
  
  Restart Transport Management:
  
  Sometimes, restarting the transport management system can resolve temporary issues.
  
  
  
  Related Information:
  
  Transaction Codes:
  
  SCC4: Client Administration
  STMS: Transport Management System
  SU01: User Maintenance
  
  
  SAP Notes: Check for any relevant SAP Notes that may address specific issues related to this error message.
  Documentation: Review SAP documentation on Change and Transport System for best practices and configuration guidelines.
  
  If the issue persists after following these steps, it may be beneficial to consult with your SAP Basis team or refer to SAP support for further assistance.