Adding mass to my rigidbody makes it go through the floor

Hey!

Each time I set the mass of my rigidbody to I higher value than 1 it goes through the level.

I did place it high enough (like 1 meter on top of the ground).

Thanks,

Erlite

There are 3 posseble thigs this could mean:
1 you are using a mesh collider on both terrain and rigidbody, and those don`t collide (only primitives or convecs do)
2 you forgot gravity and mass adds it?
3 some colliders are overlaping on object with rigidbody and makeing it move continuously.