Tk::Error: Cannot open 'image3' in mode 'r' at C:/Perl/lib/Tk/Image.pm line 21.
 Tk callback for .toplevel1
 Tk callback for image
 Tk::Image::new at C:/Perl/lib/Tk/Image.pm line 21
 Tk::Animation::new at C:/Perl/lib/Tk/Animation.pm line 26
 Tk::Widget::__ANON__ at C:/Perl/lib/Tk/Widget.pm line 256
 MMD::PROGRAMDEFAULTS::PlayAnimation at C:/Documents and Settings/Owner/My Docum
ents/pianokeys/MMD/PROGRAMDEFAULTS.pm line 105
 main::__ANON__ at pianokeysprogram.pl line 74
 Tk callback for .toplevel.canvas.button
 Tk::__ANON__ at C:/Perl/lib/Tk.pm line 252
 Tk::Button::butUp at C:/Perl/lib/Tk/Button.pm line 111
 <ButtonRelease-1>
 (command bound to event)