Message type: E = Error
Message class:  SKTZ - Übersetzung: Arbeitsvorrat 
Message number: 254
Message text: User termination
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.
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The SAP error message SKTZ254, which indicates "User termination," typically occurs when a user session is terminated unexpectedly. This can happen for various reasons, and understanding the cause is essential for resolving the issue. Here are some common causes, potential solutions, and related information: Causes: User Action: The user may have manually logged off or closed the session. Timeout: The session may have timed out due to inactivity, leading to automatic termination. Network Issues: Connectivity problems can cause the session to drop unexpectedly. System Configuration: Certain system settings may lead to user sessions being terminated prematurely. Resource Limitations: If the system is under heavy load or if there are resource constraints, sessions may be terminated. Authorization Issues: Changes in user roles or authorizations can lead to session termination. Solutions: Check User Activity: Ensure that the user did not log off or close the session intentionally. Session Timeout Settings: Review and adjust the session timeout settings in the SAP system configuration
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