I got off to a great start and was creating projects and emailing out invoices in a short time. Now when I receive a check I go back to mark it paid and I can't find any trace of the project. The only place I can find proof that it ever existed is in my email outbox. What am I doing wrong? Actually, a few projects are still in Studiometry, but I don't know what I did differently that they stayed and others are missing.