Problem:  Cannot find an invoice number when trying to process or post a payment or other functions

Solution:

Try to find invoice this way

1. From main screen
2. Select 2 - Invoicing
3. Select 1 - Invoice Entry
4. Select 2 - Modify Invoice
5. Enter invoice number in field 3 (Invoice #:) and hit tab
6. Check invoice status to ensure it is a valid status as per below

The first digit (hundred) reports
0 - Normal
1 - Hold
2 - Deleted

The second digit (ten) reports
0 - Not printed
1 - Printed

The final digit (one) reports
0 - Not confirmed
1 - Confirmed

Numbers not listed above don't exist (there is no status 300 for example)

If the status is invalid or incorrect, update status to correct one.