Message type: E = Error
Message class: /SCMTMS/INS -
Message number: 021
Message text: Invalid entry; enter alert date on or before due date for instruction &1
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/SCMTMS/INS021
- Invalid entry; enter alert date on or before due date for instruction &1 ?The SAP error message /SCMTMS/INS021 Invalid entry; enter alert date on or before due date for instruction &1 typically occurs in the SAP Transportation Management System (TMS) when there is an issue with the alert date being set for a transportation instruction. This error indicates that the alert date you are trying to enter is after the due date of the transportation instruction, which is not allowed.
Cause: Incorrect Alert Date: The alert date you are trying to set is later than the due date of the transportation instruction. Data Entry Error: There may have been a mistake in entering the dates, leading to the alert date being incorrectly set. System Configuration: There could be a configuration issue in the system that is not allowing the alert date to be set correctly.
Solution: Check Dates: Review the due date of the transportation instruction (instruction &1) and ensure that the alert date you are trying to enter
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