Solution : https://service.sap.com/sap/support/notes/450674 (SAP Service marketplace login required)
Key words : 
transctn data reqrmnts date reqrmnts time, move prevents goods issues, product availability overview reflects, reqrmnts/recpt quantityrequirement 1 11, material availability date, product availability overview, availability check occurs, processing occurs based, availability check result, day-specific check
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