Cannot apply a collected sale

Details:

As a user when I log into MxConnect or MxNext and try to apply a Collected Sale, then I error an error.

Steps to Reproduce:

1. Log into the test site
2. Navigate to Customers -> Collected Sales
3. Selects an account to apply an Invoice to
4. Click Apply To Invoice button
5. Seach for a customer with invoices
6. Click *Actions -> Apply Updates*

Expected Result

Updates must be applied successfully

Actual Result

I get an error *Unable to apply collected sale*