ebs not working

#-------------------------------------------------------------------------------
#  Automatic sprite name indexing for v4.3 and above
#-------------------------------------------------------------------------------
module EBS_SpriteConversion
  def self.included base
    base.class_eval do
      alias loadSpriteConversion pbStartLoadScreen if !self.method_defined?(:loadSpriteConversion)
      def pbStartLoadScreen(*args)
        # skips if not in debug mode
        return loadSpriteConversion(*args) if !$memDebug || Input.press?(Input::CTRL)
        # generates a list of all .png files
        allFiles = readDirectoryFiles("Graphics/Battlers/",["*.png"])
        files = []
        # pushes the necessary file names into the main processing list
        for i in 1..PBSpecies.maxValue
          next if !(getConstantName(PBSpecies,i) rescue nil)
          species = sprintf("%03d",i)
          species_name = getConstantName(PBSpecies,i)
          j = 0
          (allFiles.length).times do
            sprite = allFiles[j]
            if sprite.include?(species) || sprite.include?(species_name)
              files.push(sprite)
              allFiles.delete_at(j)
            else
              j += 1
            end
          end
        end
        # starts automatic renaming
        unless allFiles.empty !allFiles.include?("egg.png") && !allFiles.include?("eggCracks.png")
          Kernel.pbMessage("The game has detected that you're running the Elite Battle System version 4.3 or above, but have sprites in your Graphics/Battlers that do not match the new naming convention. This will break your game!")
          if Kernel.pbConfirmMessage("Would you like to automatically resolve this issue?")
            dir = "Graphics/Battlers/"
            # creates new directories if necessary
            for ext in ["Front/","Back/","FrontShiny/","BackShiny/","Eggs/"]
              Dir.mkdir(dir+ext) if !FileTest.directory?(dir+ext)
              Dir.mkdir(dir+ext+"Female/") if !FileTest.directory?(dir+ext+"Female/") && ext != "Eggs/"
            end
            for file in files
              user = dir+file
              dest = dir
              # generates target directory and target name
              if file.include?("egg") || file.include?("Egg")
                dest = dir+"Eggs/"
                if file.include?("eggCracks")
                  new_name = file.gsub(/eggCracks/) {|s| "cracks" }
                elsif file.include?("Egg")
                  new_name = file.gsub(/Egg/) {|s| "" }
                else
                  new_name = file.gsub(/egg/) {|s| "" }
                end
              elsif file.include?("s")
                if file.include?("b")
                  dest = dir+"BackShiny/"
                  new_name = file.gsub(/sb/) {|s| "" }
                else
                  dest = dir+"FrontShiny/"
                  new_name = file.gsub(/s/) {|s| "" }
                end
              else
                if file.include?("b")
                  dest = dir+"Back/"
                  new_name = file.gsub(/b/) {|s| "" }
                else
                  dest = dir+"Front/"
                  new_name = file
                end
              end
              if file.include?("f")
                dest += "Female/"
                new_name.gsub!(/f/) {|s| "" }
              end
              target = dest+new_name
              # moves the files into their appropriate folders
              File.rename(user,target)
            end
          end
          # Egg conversion
          allFiles = readDirectoryFiles("Graphics/Battlers/",["*.png"])
          for file in allFiles
            if file == "egg.png"
              File.rename("Graphics/Battlers/egg.png","Graphics/Battlers/Eggs/000.png")
            elsif file == "eggCracks.png"
              File.rename("Graphics/Battlers/eggCracks.png","Graphics/Battlers/Eggs/000cracks.png")
            end
          end
          Kernel.pbMessage("Conversion complete! Have fun using the new system!")
        end
        # goes back to the load screen
        return loadSpriteConversion(*args)
      end
    end
  end
end

if defined?(PokemonLoadScreen)
  PokemonLoadScreen.send(:include,EBS_SpriteConversion)
end

if defined?(PokemonLoad)
  PokemonLoad.send(:include,EBS_SpriteConversion)
end