This is the 5672nd most frequent Turkish word.
problemine
"To your problem" or "to his/her/its problem" (depending on context).
In this sentence, 'problemine' means 'of the problem' and is grammatically linked to the book to indicate possession.
Bu kitabın problemine dikkat ettin mi?
Did you pay attention to the problem of this book?
Here, 'problemine' refers to 'to her problem', showing direction or association with the issue being discussed.
Onun problemine bir çözüm arıyoruz.
We are looking for a solution to her problem.
In this context, 'problemine' is used as 'on your problem', highlighting the subject of focus.