A random graphics bug appeared, i dont know whats causing it

[Unuznimar]

Pieces of terrain are missing all over the map.
I was deleteing files from war3patch.mpq and extracting them into my wc3 folder. At some point it became like this and i cant fix it. Its the same for all maps

 

[FeelsGoodMan]

This should be posted in the World Editor Help Zone.