player isn't colliding with mesh

Hello
I am having a problem where i have a mesh what i have made in blender and put into unity it is part of the terrine but even though i have generate colliers on i still fall through.
I am still new to unity and got it not long ago.
thank you Kieran :razz:

how high is the poly count?
sometimes that will prevent colliders from working

if that is the case, you may need to create a non-rendering low poly version of your mesh, or use Unity primitive colliders

What does :razz: mean?