As a project manager, you have to work on several projects simultaneously without making mistakes in any one of them. Despite the struggle, you might end up missing the deadlines or surpassing your original budget. And this can be frustrating. Does this ring a bell?  If the answer is yes, you need to find out why some of your projects pull you back. In any organization, project management is the core of most operations. It’s not easy to recover from project management mistakes because they end up costing you time, resources and most importantly, they can kill the credibility of project managers.  Therefore, you need to take your time to understand these mistakes and how to avoid them.

In this article, we are going to discuss nine mistakes that can kill the credibility of project managers.

Lack of Communication

According to research conducted by the University of Ottawa, 57% of projects fail due to lack of communication and collaboration among team members. Communicating with your team regularly and keeping them united with a common goal will greatly improve your chances of success.

You should also collaborate with your stakeholders by regularly updating them about the project’s progress. Stakeholders who are not interested in their projects increase the risk of failure.

Updating the stakeholders on the project’s progress is no easy task. However, you’ll need their feedback because they have the final say. One of the best ways to keep stakeholders engaged is by highlighting the benefits they’ll get out of your projects.

Setting Optimistic Deadlines

Most project managers have fallen into this trap to make their clients happy. Setting tight deadlines can mean sacrificing the quality of work and kill the credibility of project managers.  We all know that no one works at his or her best when pressurized.

Setting tight deadlines can lead to apathy because your team will be working round the clock with no real progress. Before setting a deadline, you need to analyze the project carefully and discuss it with your team.

When you set realistic deadlines, you will achieve your goals without sacrificing quality. Plus, your team will be motivated to work on other projects with you.

Working without Experience

The bigger the project, the more equipped you should be. You need to be experienced to succeed as a project manager. Most project management mistakes are made due to a lack of experience or training.

This includes basic project management principles and understanding how to use project management tools. Complex projects which need more than ten members require an experienced project manager who knows how to mitigate risks and handle project expectations. You cannot expect to work on any project without training and excel. Project management is a practical skill.

Working with an Incompetent Team

Among the leading causes of project failure, is working with inexperienced team members. According to a study conducted by Price Coopers, seventy per cent of the businesses managing small and mid-size businesses are not certified as professionals.

In the same report, we find that 80% of the projects were completed successfully by certified project managers. This means that the majority of stakeholders are working with incompetent teams.

Even with an experienced project manager, the project cannot be completed successfully with an untrained team. You need to ensure that you are working with qualified and experienced people to avoid losing your credibility.

Unclear Project Scope

How clear is your project scope? Having a clear project scope is important because it allows the project manager to concentrate on the important factors of the project while eliminating unnecessary activities.

Clear project scope should have all the goals and limitations of the project and the number of resources to be used. You need to discuss this with your team before working on the project.

Ignoring Mistakes Made by Your Team

Ignoring the mistakes made by your team members is one of the critical mistakes that will kill your credibility. Yes, no human being is perfect. You should expect your team to make errors. However, letting them slide can lead to a crisis.

At the end of the day, you as the project manager, are responsible for the success or failure of the project. Therefore, you should check in from time to time to see what your team is doing. When you fail to address mistakes on time, your employees will stop caring about the quality of their work. And this will lead to an epic failure.

Poor Risk Management

While working on your project, things can go wrong. If you have not set measures to mitigate the risks, your progress can be derailed and you’ll end up missing your deadlines or using more resources. Before working on the project, think of all the things that can prevent you from achieving your goals and how you’ll solve them.

Taking too Many Projects

When you have so many clients knocking on your door, it’s not easy to say no to them. However, you need to The more projects you agree to work on simultaneously, the higher the risk of depleting your resources and overworking your personnel. It’s better to work on one project and succeed than work on ten and fail in all of them.

Using the Wrong Methodology

You are highly likely to use the same methodology that you used on a previous project that went well. However, this should never happen because every project you are going to work on is unique. You’ll have to analyze and understand the project before coming up with a methodology. You should discuss the methodology to be used with your team to avoid confusion and minimize errors.


You cannot avoid making mistakes which can kill the credibility of project managers, while working on your projects. However, you can always minimize them. Understanding the nine mistakes we’ve discussed and how to avoid them will improve your productivity and performance and boost your credibility.


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