Enter date of production while doing VLPOD in STO

User is trying to post VLPOD. But Enter Date of production error message is popping up.Beacuse of this he is not able to post VLPOD.

In OBD Date of mnfg is grayed out. Batch is not created for it

In material master :Batch managed" field is not activated (checked)

Please help me.

Thanks,

NCR