I cannot delete the allowed IP

Hi

I had a website hack, after cleaning all the files I had another hack.

While looking for a solution, I came across the setting “Allowed IP addresses that bypass all rules” – and here I cannot delete the existing IP address – 141.94.254.72.
I suspect that this is the cause of another hack, how can I delete this IP and remove the problem of entering this IP on the allowed list?

thank you