Message type: E = Error
Message class: IS - Equipment management
Message number: 159
Message text: Material cannot be changed as a serial no. has been allocated
You are trying to change the material in the equipment master
record, although a serial number has been allocated to the piece of
<GL:equipment>equipment</>.
INCLUDE 'KEINE-FUNKTION' OBJECT DOKU ID TX LANGUAGE E
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.
IS159
- Material cannot be changed as a serial no. has been allocated ?The SAP error message IS159 ("Material cannot be changed as a serial no. has been allocated") typically occurs when you attempt to make changes to a material that has already been assigned a serial number. This is a common scenario in inventory management and logistics where serial numbers are used to track individual items.
Cause: Serial Number Assignment: The material in question has already been assigned a serial number, which means it is being tracked individually in the system. Material Master Data: Changes to certain fields in the material master data are restricted once a serial number is assigned to ensure data integrity and traceability. Transaction Type: The transaction you are trying to perform (e.g., changing material details, moving stock, etc.) is not allowed for materials with allocated serial numbers.
Solution: Check Serial Number Assignment: Verify if the material indeed has a serial number assigned. You can do this by checking the serial number management in
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