We purchsed material from vendor A & send these material to vendor B directly for Job work
In PO we tick SC vendor & give vendor B.
Then made GR & MMBE report shows stock provide to vendor B.After that we wnat to make subcontracting challan for vendor B with reference to GR number.
But system not allow to make sub contracing challan.
showing follwoing "Document already exists for material document 5000086201 2008
Message no. 8I261 "
so how to make or find document exsit>