uhh can somone explain | Morroblivion

hi uhh i just downloaded morroblivion but wen i go to vvardenfell all the land isnt solid and i just fall through can anyone PLEASE help?

As far as I know, this is

As far as I know, this is caused by your load order. I think you have to load morrowind_ob.esm after oblivion.esm. You can change your load order by using Oblivion mod manager: http://tesnexus.com/downloads/file.php?id=2097

sad face

it is loaded after that one tho im so confused wen i watch the game trailers it looks so amazing i wanna play it lol