Message SAP VLA063 - Time frame for POD confirmation exceeded

Diagnosis
The time window defined in the customer master has been exceeded. Thetime window specifies the period (from the planned time of deliveryonwards) in which POD verification should occur.
Latest possible verification date: &1 &2
Current verification date: &3 &4

System Response
The POD verification is not accepted.

Procedure
Increase the time window in the customer master or enter the PODvariances in the dialog box.