Sage X3

I have couple of invoices that are sitting in non financial sites. The invoices do not show up as open item under ACH payment when we try to apply a payment. How can we process these invoices. The site is not suppose to be a financial site, converting…

Under: A/P-A/R accounting  Payments ACH Payments When I enter the amount: I get the following errors:

Is it possible to lock down this function for a period without have to disable the function on each profile. We need this to happen when we are finished with one site for a period. We do not want the users to book anymore entries.