Batching ISA and generating FA

Im having a requirement for generating FAs.

Im sending 10 different ISA’s to TN , in TN Im batching them into single ISA and sendign
it to the vendor.

In successful case im receving the single FA for the batched ISA.

But in failure case its showing 10diff FA in the sec case also I need single FA.

I dont reconcialation also.I will go thru regardign this.

Pls guide me in this.