Error
Error Code:
1803
SAP S/4HANA Error 1803: GID/UID Overflow in Shared Memory
Description
Error 1803, ERR_SHM_DROP_OVERFLOW, indicates that a shared memory operation failed because a user (uid) or group (gid) identifier exceeded the maximum allowed value for the underlying system structure. This typically occurs when SAP S/4HANA attempts to utilize shared memory segments with IDs that are outside the operating system's configured limits.
Error Message
ERR_SHM_DROP_OVERFLOW: The gid or uid value is too large to be stored in the structure
Known Causes
3 known causesOperating System Kernel Limits
The underlying operating system's kernel parameters for shared memory or process IDs are configured with limits that are too restrictive for SAP S/4HANA operations.
Non-Standard User/Group IDs
Custom or external systems are generating or attempting to use user (UID) or group (GID) identifiers that exceed standard integer limits or the OS's maximum allowable range.
OS Version Incompatibility
The specific version or patch level of the operating system may have different or lower limits for GID/UIDs in shared memory structures than expected by SAP S/4HANA.
Solutions
Coming SoonGeneral 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