Check if invoice is comlete

Hello!

I create a batch input session in user-exit ZXVVFU01 (function module EXIT_SAPLV60B_001) when saving a invoice. Now I want to create the batch input only when the invoice is ready to release to accounting (because sometimes the invoice has errors and I get a wrong batch input).

We release our invoices to accounting with saving the invoice. So only invoices with errors are not released to accounting.

Is there any way to check the invoice (if it has no errors) in user-exit ZXVVFU01?

Thanks for your answers.

Best Regards

Markus