System Variable 1155: Allow to Close Job, When It Contains One or More Sales Invoices in Status "Under Preparation" or "For Approval"

Use this System Variable to determine if jobs with open Sales Invoices can be closed.

This System Variable is enabled by default. When it is enabled, you can close a job even if the job has a Sales Invoice that is either under preparation or for approval. If it is not enabled, you will be prompted with the following error message:
The job includes one or more open invoices and cannot be changed to the desired status.

It may be necessary to perform a refresh when modifying System Variable values.