Everytime i make a prefab and save it, it saves it with redlines and no textures. This has never happend to me before  

http://gyazo.com/c8e8d76633cdc3219d6e2bf5df5eacd9 <--- Problem i have

Can someone tell me how to resolve this?

And also forgot to mention when i enter prefab its fine and textures are all where they should be its just when i leave prefab it goes red with lines and no textures

Its probably wireframe mode