Originally Posted by AlMehdi

It probably means that you already have the file and n9tweak doesn't recreate it of safety reasons. Could be if you have set landscape with another mod and not with n9tweak. So a simple fix would be to remove that file and let n9tweak recreate it.

As devel-su do this:

Code:

rm /usr/share/themes/blanco/meegotouch/meegotouchhome/style/meegotouchhome.css

This means you will need to re-enable landscape mode again.. but should be trivial.