Sage Timeslips

Is it possible to override the system and skip invoice numbers? I understand that there is a setting for using global invoice numbers but is there a way for someone to skip let's say invoice number 404 when they have invoice 402, 403, and 405? I'm unsure…

I'm an admin for a law office and we use Timeslips 2008 for our billing. Only yesterday, when I went to edit a slip, I received the following error: "Directory in use by earlier version of Paradox.(13314) Area: Database Code: 4 Address: Exception…