limitation
US /ˌlɪm.əˈteɪ.ʃən/
UK /ˌlɪm.əˈteɪ.ʃən/

1.
a restriction on the size or amount of something possible or allowable
:
•
There's a strict limitation on the number of guests.
•
The budget imposes a severe limitation on our plans.
2.
a weakness or shortcoming
:
•
Every system has its limitations.
•
His biggest limitation is his lack of experience.