Error
Error Code:
1794
SAP S/4HANA Error 1794: Shared Memory Segment Exists
Description
This error indicates that an SAP S/4HANA process or application attempted to create a shared memory segment that already exists on the system. It typically occurs during system startup, application initialization, or when a process tries to re-allocate an existing resource.
Error Message
ERR_SHM_CREATE_ALREADY_EXIST
Known Causes
3 known causesAbnormal Process Termination
A previous SAP S/4HANA process or related application terminated unexpectedly, failing to release or clean up its allocated shared memory segments.
Improper System Shutdown
The operating system or SAP S/4HANA instance was not shut down gracefully, leading to persistent shared memory segments after a restart.
Concurrent Program Execution
Multiple instances of an SAP S/4HANA program or a background job are simultaneously attempting to create the same named shared memory segment.
Solutions
Coming SoonDetailed step-by-step solutions for this error are being prepared. In the meantime, try these general troubleshooting tips:
General Troubleshooting Tips
- Check the error message carefully for specific details
- Review recent changes that might have caused the error
- Search for the exact error code in the official documentation
- Check log files for additional context
- Try restarting the application or service