System Variable 1131: Allow Creating Invoices on Jobs With Status Invoiced/Finalized

Use this System Variable to determine if creating Sales Invoices for finalized or invoiced jobs should be allowed.

This System Variable is enabled by default. When it is enabled, you can create a Sales Invoice for a finalized or invoiced job. If it is not enabled and you try to create a Sales Invoice for a finalized or invoiced job, you will be prompted with the following error message:
Cannot create invoice on job with status 4 - Invoiced/Finalized

You can update the status of a job in Jobs > Job Properties Sidebar > Basic Job Settings.