Hi Marlon
Make a backup of Receivables. Then run Data Integrity Check. If it finds errors, click on Rebuild and then repeat DIC - keep on repeating until it's clean.
Next, spot check to see where things stand. You might have an open invoice batch to post, or you might not. You might find that the invoices have posted to the customers' accounts.
If some invoices are missing, you can re-enter them directly into AR as an invoice batch, using your GL account "AR Clearing" when you go to distribute the dollar amount.
If DIC cannot fix the errors, or you are can't figure out where things stand, you can always restore your data from a backup (you would probably want to restore ALL data, not just AR), and try running OE day end processing again.
This might be a case for contacting your Adagio consultant.
Steve