MyBB, as an example, is wonderful software, but it can have serious mishaps. You need to know what's going on. For instance, sometimes a site will just go off the air for some database problem, I think. However, the answer to fix it often isn't that serious. However, it takes someone with DIY (Do-It-Yourself) knowledge.
Who has had these problems? How did you deal with them?
Who has had these problems? How did you deal with them?