The main reason why, writers, researchers and students think they lack of creativity is because they keep procrastinating. The struggle is real for all of us ! Whether you have enough experience or not, life happens and you get distracted. You simply wish you could hide yourself in the hoods and your problems will go away !
1- Being intimidated for having to write an important project
2- Frustrated about how bad your research idea could be
3- Fear of lacking creativity and being criticized
4- Fear of not being organized and independent enough to avoid distractions
The advices we could certainly give you are the followings: First always stay positive, believe in yourself and simply start writing what you are thinking about.