How To Fix TR161 - Field SAPCUS does not contain 'C' or 'S'

SAP Error Message - Details

• Message type: E = Error

• Message class: TR - Change and Transport System

• Message number: 161

• Message text: Field SAPCUS does not contain 'C' or 'S'

What causes this issue?

No value was entered in the field SAPCUS (last column).

System Response

The user is requested to enter a value.

How to fix this error?

Enter one of the following two values:
'C' name range is to be reserved for the customer
'S' name range is to be reserved for SAP

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message TR161 - Field SAPCUS does not contain 'C' or 'S' ?

  The SAP error message TR161 indicates that the field SAPCUS does not contain the values 'C' (Customer) or 'S' (Supplier). This error typically occurs in the context of transport requests, particularly when dealing with customizing or configuration objects that are meant to be transported between different SAP systems.
  Cause:
  
  Incorrect Configuration: The transport request may be incorrectly configured, or the object being transported is not associated with a valid customer or supplier.
  Transport Request Type: The transport request might be of a type that does not support the objects being transported. For example, if you are trying to transport a development object that is not meant for customer or supplier transport.
  Missing Authorizations: The user may not have the necessary authorizations to create or modify transport requests for certain objects.
  
  Solution:
  
  Check Transport Request Type: Ensure that the transport request is of the correct type. If you are trying to transport customizing objects, make sure the request is a customizing request (usually starts with 'K').
  Review Object Assignment: Verify that the objects you are trying to transport are correctly assigned to the transport request and that they are valid for transport.
  Correct the SAPCUS Field: If you have access, you can manually check and correct the SAPCUS field in the transport request to ensure it contains either 'C' or 'S'.
  Authorization Check: Ensure that the user has the necessary authorizations to create and manage transport requests. You may need to consult with your SAP security team.
  Consult SAP Notes: Check for any relevant SAP Notes that might address this specific error. SAP frequently updates its knowledge base with solutions for common issues.
  
  Related Information:
  
  Transport Management System (TMS): Understanding how TMS works in SAP can help in managing transport requests effectively.
  SAP Basis Documentation: Familiarize yourself with SAP Basis documentation regarding transport requests and their management.
  SAP Community: Engaging with the SAP Community can provide insights and solutions from other users who may have encountered similar issues.
  
  If the problem persists after trying the above solutions, it may be beneficial to reach out to your SAP Basis team or SAP support for further assistance.