object=reservation=transfer_batch=<plan-docentry>
create a receipt and issue for current planned object
object-type=btransfer / bt
1. create new plan-object btransfer
2. create lines with line-type "issue" and "receipt"
3. call this transfer_batch-function
this object create a issue, a receipt with total-price from issue and a transfer-document in table beas_batchnumtransfer
and linked both documents with the batchnumtransfer (beas_basetype='T', basedocentry=<beas_batchnumtransfer.docentry>
return in "returnvalue" -1=error, 1=ok