How To Fix 0S256 - Select only one program / one transaction for one client

SAP Error Message - Details

• Message type: E = Error

• Message class: 0S - Messages for the SQL trace

• Message number: 256

• Message text: Select only one program / one transaction for one client

&CAUSE& You have selected either different programs or transactions
from a client or chosen to save information from different clients.

System Response

The system continues processing after the message.

How to fix this error?

Select one transaction or one program from one client.

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 0S256 - Select only one program / one transaction for one client ?

  The SAP error message 0S256 ("Select only one program / one transaction for one client") typically occurs when a user attempts to execute a transaction or program in a way that is not allowed by the system's configuration. This error is often related to the use of transaction codes or programs that are not properly defined for the client or when multiple selections are made when only one is allowed.
  Cause:
  
  Multiple Selections: The user may have selected multiple programs or transactions when the system expects only one.
  Client-Specific Configuration: The program or transaction may not be configured correctly for the specific client being used.
  Authorization Issues: The user may not have the necessary authorizations to execute the selected program or transaction.
  System Settings: There may be restrictions in place within the system settings that limit the execution of certain programs or transactions.
  
  Solution:
  
  Single Selection: Ensure that you are selecting only one program or transaction at a time. If you have multiple selections, deselect all but one.
  Check Client Configuration: Verify that the program or transaction is correctly configured for the client you are working in. This may involve checking the transaction's settings in the SAP system.
  Review Authorizations: Check if you have the necessary authorizations to execute the selected program or transaction. If not, contact your system administrator to obtain the required permissions.
  Consult Documentation: Refer to SAP documentation or help resources for specific guidance on the program or transaction you are trying to execute.
  Contact Support: If the issue persists, consider reaching out to your SAP support team or consulting SAP Notes for any known issues related to this error message.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any updates or patches related to the specific transaction or program you are trying to execute.
  Transaction Codes: Familiarize yourself with the transaction codes and their specific requirements in your SAP environment.
  User Roles: Ensure that your user role is correctly set up to allow access to the necessary transactions and programs.
  
  By following these steps, you should be able to resolve the error message 0S256 and successfully execute the desired program or transaction in SAP.