Firefox show potential security risk ahead in WARP with network proxy on

hi, i have a problem in linux ubuntu with cloudflare WARP, when i enable proxy from cloudflare’s team dashboard in network settings, almost all websites show potential security risk ahead and i cannot access anything, and when i disable proxy i have no problem.

https://i.postimg.cc/QdbtQp0K/photo-2021-12-14-17-52-47.jpg

I was too getting this