Project failures can be caused by hidden challenges such as overconfidence bias, groupthink, burnout, and miscommunication.Overconfidence bias can lead to underestimating tasks and overlooking important details.Groupthink can result in bad decisions due to a lack of diverse perspectives.Burnout can drain the energy of the team and hinder productivity.Miscommunication can cause confusion and errors in project execution.Leadership challenges, market changes, and external factors can also impact project success.Project success goes beyond meeting deadlines and budgets; it involves building something remarkable, learning, and making a difference.