Unable to add new line in receipt entry - This is a duplicate entry of an existing record

Epicor ERP 10
1

This happen in receipt entry when add a new line and click save. Could anyone please advice.
image

2

It seems to be the control of custom BPM, you can check if the same PO data already exists in the RcvDtl table.

3

there is no same po data in rcvdtl table.

4

your screenshot shown requisition Entry, so should be check the table Erp.ReqDetail.
Ex: select * from Erp.ReqDetail where Company=‘your Compay ID’ and ReqNum=574

5

i check the reqdetail and there is no duplicate data. But not sure why we hit this error.