This is the 275th most frequent Turkish word.
oluşan
"Formed" or "occurring."
In this sentence, 'oluşan' modifies 'sorunları' (problems), describing them as arising or occurring.
Oluşan sorunları çözmek için bir plan yapmamız gerekiyor.
We need to make a plan to resolve the occurring problems.
Here, 'oluşan' describes 'sis' (fog) as in the process of forming.
Denizin üzerine oluşan sis etkileyiciydi.
The fog forming over the sea was impressive.
Here, 'oluşan' is used as a participle derived from the verb 'oluşmak' (to occur) to describe 'hasar' (damage).