What should i do

Every time I try to do something, a strange error occurs!

What kind of wallet do you have?

I have trust wallet on my phone

Try doing it from a PC

I tried to claim it from PC, but nothing happened.

Try installing the wallet extension in your browser on your PC and add the Cyber network manually.
Network Name : Cyber
RPC Endpoint : https://cyber.alt.technology/
Chain ID : 7560
Currency Symbol : ETH
Block Explorer : https://cyberscan.co/