3404088 - 'Purchase Order date is in past' is issued as either a warning or error during purchase order processing

Purchase Order creation date can be set with a previous date or a date in the future. System message 06 028 - 'Purchase Order date is in past' can be issued as either a warning or hard-stop error during regular Purchase order processing, but when trying to edit/change the behaviour(from warning to error, or vice versa), the message behaves differently(sometimes warning, sometimes error), further clarification is needed on this change. 

SAP S/4HANA Cloud Public Edition

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