The common mistakes made by an inexperienced project managers are as follows:-

● Believing that excessive detail is needed to be an effective leader.

● Pretending to know more than you actually do, thus alienating the true subject matter experts.

● Trying to impress people by preparing an ambitious schedule that line managers may find difficulty in supporting.

● Having an overreliance on repeatable processes that lack flexibility.

● Ignoring problems in the belief that they will go away.

● Failing to share accountability for success and failure with functional managers.

● Gold-plating the deliverables by adding in unnecessary functionality.

● Failing to understand what stakeholders and sponsors want to hear.

● Not fully understanding requirements.

● Refusing to ask for help.

● Ignoring problems that are the responsibility of the project manager to resolve.

● Believing in saviors and miracles rather than effective leadership.

● Trying to motivate by making promises that cannot be kept.

● Failing to see dependencies between your project and other company projects.

● Refusing to tell the client that they are wrong.

● Continuously reminding everyone who’s the boss.

● Failing to understand the effects on the project resulting from internal and external politics.