We all know some obvious personality types that can be less than ideal to work with. However, there are other personality traits you may want to beware of as well. Although these characteristics may seem perfectly harmless on the surface, in excess they can be just as dangerous to a project as the more glaring types.

When you're responsible for leading a new software project, of course it’s impossible to steer clear of every single mistake. But there are plenty of common mistakes project managers fall into that can be easily avoided simply by being mindful of them. Here are five common mistakes PMs make that you should be wary of.

Many new project fields look simple from a distance because we only see the outputs and interfaces. But corner cases, bad data, users with special needs, regulations—getting inside a new knowledge domain and teasing out the special cases and unhappy paths is a skill. This is why business analysts are so important.