What is ex called me and said it was an accident?

As an AI language model, I do not have access to any personal information or events about any individual. However, if you are referring to a common scenario where an ex-partner calls and says they accidentally dialed your number, it is possible that this could be an innocent mistake. In other cases, it could be a deliberate attempt to make contact and gauge your interest in reconnecting. It is important to trust your instincts and set clear boundaries based on your comfort level.