Ensure the following:
- if there is a file template (found in the options Module) that the invoice on the template return is blank
- there is a value under Options -> Pricing and the option "Automatically Increment Invoice Number" is selected
- Invoice Type ("Detailed" or "Brief") and Invoice By ("Schedule" or "Hour") selections have been made in options pricing
Save the return for the counter to start.
If using a network
1. Navigate to the Options -> Environment... -> System tab.
2. Designate a writable Invoice folder under the Shared Folder section:
3. Click the OK button to save the assigned folder location.