i think i messed up but i dont know where

I was making a drugs mod for a server with my friends but when i started to do the marihuana and coca plants i realized that the textures flip for some reason so i made them upside down then it worked but it was obviously upside down in the game then i changed it started to code the procedures for the bone meal the states etc but then the crops had the missing texture look with the black and magenta squares so does anyone have any solution. Or if you do not have a solution do you know like whats causing the problem? thanks