*Note: Before the starting the posting process, make sure that the status of the book in Vital GL (General Ledger) system is in usage first.

Instructions: Go to Vital GL, and [Maintenance] > [Company setting] > [Query]. The system will then show all of the books. Select the one that is being used in Vital AP/AR system, and click the edit button (pencil icon) on the left. Once you've entered the interface, make sure that "Using" is selected in the "Use" column.