David hotel system

David billing software needs to ensure that the account set has been opened when carrying out specific business processes related to inventory. If it has not been opened, you will be prompted that the approval failed, and the system has not opened an account, so it cannot be approved. At this point, you need to open an account;

Open the menu: System Settings-Initialization Wizard-Account Opening Processing-Click "Account Opening" and then enter the examination and approval.