My existing mojave + clover doesn't boot after installing bigsur + opencore on a totally separate ssd

So i had a complete working Success' href='/2020/12/install-macos-mojave-on-supported-pc.html'>Mojave with clover but i wanted to try Big Sur with OpenCore so on a totally separate ssd ive installed Big Sur and so far it works nice but booting my other ssd with clover and Success' href='/2020/12/install-macos-mojave-on-supported-pc.html'>Mojave it stucks at ++++++ mind giving me so idea/directions why this happened? It was totally separate disk that shouldn't affect my other Success' href='/2020/12/install-macos-mojave-on-supported-pc.html'>Mojave instalation