Message type: E = Error
Message class: /ISDFPS/MSG_GAF_PE -
Message number: 031
Message text: Serial number &1 for material &2 can be used only once
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/ISDFPS/MSG_GAF_PE031
- Serial number &1 for material &2 can be used only once ?The SAP error message /ISDFPS/MSG_GAF_PE031 indicates that a specific serial number for a material can only be used once in the system. This error typically arises in scenarios where serial number management is enabled for a material, and the system is trying to process a transaction (such as goods movement, sales order, or delivery) that involves a serial number that has already been used.
Cause: Serial Number Already Used: The serial number you are trying to use has already been assigned to another transaction or has been processed in the system. Incorrect Transaction: The transaction you are attempting may not allow the reuse of serial numbers.
Configuration Issues: There may be configuration settings in the material master or serial number management that restrict the reuse of serial numbers.
Solution: Check Serial Number Usage: Verify if the serial number is already assigned to another document or transaction. You can do this by checking the serial number history
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