Unable to create support ticket

All the fields in the [contact form](https://marketstack.com/contact) are filled properly, but I keep getting this error when submitting without any explanation as to what is wrong with my input.

![image](https://user-images.githubusercontent.com/2405099/187211198-39721f8c-75ad-4b2a-b4b1-177b357842ed.png)
