SAP Message V4131 - Requested dlv. date cannot be met for sched. line(s) &2 &3 in item &1

Diagnosis
The requested delivery date for one or more delivery-relevant schedulelines for item &V1& could not be met as a result of theavailability check (if activated) anddelivery scheduling.

Procedure
Check whether the customer agrees to the redetermined confirmedquantities and dates. If not, take the appropriate measures.