Intercompany invoices

Hello Expert,

Customer is sending Intercompany invoice to other plant through EDI as Medium in VF06.

he is complaining that other plant is getting only first invoice,and not getting other invoices.

We checked Both the idocs (First -successful & second unsuccessful) both the Idocs are in "

53 status

What can be the probable reason for this?

how to fix this issue?

I checked forum before raising this issue but didnt find anything

If some have please send the link

Thanks for understanding and help

Regards,

Tina