It would have been easier if you had just copied and pasted the message. Nonetheless, I went through all the trouble of extracting the Chinese characters
经检测，您当前的手机号正处于 Bybit 服务受限制 的管辖区域，很遗憾，您无法进行操作。如有疑问
Google translator tells me
After testing, your current mobile phone number is in a jurisdiction where the Bybit service is restricted. Unfortunately, you cannot operate it. If in doubt...
It looks like you are using a phone number of a country whose residents are banned from using Bybit. Check their terms of service for clarification.
