Problem with Region/State

Hello.
I have problem with the Region / State. When i select contry i recieve the follow problem : prntscr.com/5jvck9
If it possible i whant to disable the field Region / State or to fix it.

Hello Irena,
Sound like this is an outstanding issue. Please submit a new ticket to EShop category to send me the back-end log-in account to your site so I can help you to check and resolve the issue.
Hope to receive your ticket soon.
Sincerely, Giang