How To Fix XMS_ADM648 - The called ABAP client '&1' is not the same as the caller client '&2'. &3

SAP Error Message - Details

• Message type: E = Error

• Message class: XMS_ADM - XMS - Administration

• Message number: 648

• Message text: The called ABAP client '&1' is not the same as the caller client '&2'. &3

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message XMS_ADM648 - The called ABAP client '&1' is not the same as the caller client '&2'. &3 ?

  The SAP error message XMS_ADM648 indicates a client mismatch issue in an ABAP environment. Specifically, it means that the ABAP program or function module you are trying to call is being executed in a different client than the one that initiated the call. 
  Cause:
  
  Client Mismatch: The primary cause of this error is that the calling program is running in one client (e.g., client 100), while the called program is running in a different client (e.g., client 200).
  Cross-Client Calls: The error can occur when there are attempts to perform cross-client operations that are not allowed or not properly configured.
  Configuration Issues: There may be configuration settings that restrict access between clients, or the program may not be designed to handle cross-client calls.
  
  Solution:
  
  Check Client Settings: Ensure that both the calling and called programs are executed in the same client. You can check the client number in the SAP GUI at the top right corner.
  Adjust Program Logic: If the logic requires cross-client access, consider redesigning the program to handle data appropriately or use remote function calls (RFC) if applicable.
  Use Transaction Codes: If you are using transaction codes that are client-specific, ensure that you are executing them in the correct client context.
  Authorization Checks: Verify that the user has the necessary authorizations to access the required client and perform the intended operations.
  Debugging: If you have access to the ABAP code, you can debug the program to identify where the client mismatch is occurring and adjust the logic accordingly.
  
  Related Information:
  
  Client Concept in SAP: SAP systems are multi-client environments, meaning that multiple clients can exist within a single SAP system. Each client is a separate environment with its own data and configuration.
  Cross-Client Functionality: Some functions and operations in SAP are designed to work across clients, but they require specific configurations and permissions.
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. SAP frequently updates its knowledge base with solutions for common problems.
  
  If the issue persists after checking the above points, it may be beneficial to consult with your SAP Basis team or reach out to SAP support for further assistance.