Bad communication. Chances are, it's you. When your project goes bad, we all need to look in the mirror and take a deep breath of the reality that most people are poor communicators. Communication is the one thing we all take for granted in a project management scenario.
Everyone just assumes everyone else just knows what needs to be done. Read about "The Psychological Test That Explains Why You're Bad At Communicating".
Here are three tips for improving your communication skills.
Be Candid & Specific
In cultures where you haven't known your teammates for more than a few years (in online working environments, it may have been only a few months), adhere to a protocol that encourages direct and specific