No entry for transaction code & in table T401M
Message type: E = Error
Message class: M3 - Material Master
Message number: 276
Message text: No entry for transaction code & in table T401M
INCLUDE NA_FEHLER_SYSTVERW
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.