Message type: E = Error
Message class: EG - IS-U device management
Message number: 120
Message text: Device category &1 already has group material number &3
Serialization material &V1& for device category &V2& already has
serialization number (group material number) &V3&.
Processing cannot be continued.
Ensure that your entry is correct. If you wish to allocate device
category &V2& to the same serialization group as device category &V1&,
enter serialization material &V3&.
Error message extract from SAP system. Copyright SAP SE.
EG120
- Device category &1 already has group material number &3 ?The SAP error message EG120 indicates that there is an issue with the assignment of a group material number to a device category. Specifically, it means that the device category you are trying to assign already has a group material number associated with it.
Cause: Duplicate Assignment: The device category you are trying to use is already linked to a different group material number. Configuration Error: There may be a misconfiguration in the device category settings or in the group material number assignments. Data Integrity Issues: There could be inconsistencies in the master data that lead to this error.
Solution: Check Existing Assignments: Go to the relevant transaction in SAP (e.g., transaction code OIS2 or similar) to check the current assignments of device categories and group material numbers. Identify if the device category is already assigned to a different group material number. Modify or Remove Existing Assignment: If the device category is already assigned to a group material number that
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