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So does anyone know how to use the alt codes characters below in RMXP's "Show Text" command?
Thanks.

Characters: ▲, ▼, ¶, ◄, ▐, etc.

I'm working on that, it's not finished
I guess no more error huh?

So... after I pressed "Return"... The window and the command things were still there...

  I got that error out, now this shows up:


I gotta take more tutorials...

I got this error after trying to create my own Scene. 
Here is the scene I created:

Spoiler: ShowHide

#==============================================================================
# * Scene_Gift
#==============================================================================

class Scene_Gift
  #--------------------------------------------------------------------------
  # * Main Processing
  #--------------------------------------------------------------------------
  def main
    # Command Window
     s1 = "Get Gift"
     s2 = "Return"
     @command_window = Window_Command.new(160, [s1, s2])
     @command_window.index = @menu_index
     @command_window.index = 0
    # Execute transition
    Graphics.transition
    # Main loop
    loop do
      # Update game screen
      Graphics.update
      # Update input information
      Input.update
      # Frame update
      update
      # Abort loop if screen is changed
      if $scene != self
        break
     end
    end
    # Prepare for transition
    Graphics.freeze
    # Dispose of windows
    @window.dispose
  end
  #--------------------------------------------------------------------------
  # * Frame Update
  #--------------------------------------------------------------------------
  def update
    # Update windows
    @window.update
    # If C button was pressed
    if Input.trigger?(Input::C)
    # Branch by command window cursor position
      case @command_window.index
      when 0  # Get Gift
        command_mgift
      when 1 # Return
      # Play cancel SE
       $game_system.se_play($data_system.cancel_se)
      # return to title
       $scene = Scene_Menu.new
     end
   end
 end
end