I'm sorry, but an uncaught exception occurred.

While running game code:
  File "renpy/common/00start.rpy", line 198, in script call
    call _gl_test
  File "renpy/common/00gltest.rpy", line 441, in script
    $ __gl_test()
  File "renpy/common/00gltest.rpy", line 441, in <module>
    $ __gl_test()
  File "renpy/common/00gltest.rpy", line 359, in _m1_00gltest__gl_test
    _gl_performance_test()
  File "renpy/common/00gltest.rpy", line 384, in _gl_performance_test
    ui.interact(suppress_underlay=True, suppress_overlay=True)
IOError: Couldn't find file 'gui/window_icon.png'.

-- Full Traceback ------------------------------------------------------------

Full traceback:
  File "C:\Users\user\Desktop\새 폴더 (3)\TheMysticEnergy-1.0-pc\renpy\bootstrap.py", line 306, in bootstrap
    renpy.main.main()
  File "C:\Users\user\Desktop\새 폴더 (3)\TheMysticEnergy-1.0-pc\renpy\main.py", line 513, in main
    run(restart)
  File "C:\Users\user\Desktop\새 폴더 (3)\TheMysticEnergy-1.0-pc\renpy\main.py", line 139, in run
    renpy.execution.run_context(True)
  File "C:\Users\user\Desktop\새 폴더 (3)\TheMysticEnergy-1.0-pc\renpy\execution.py", line 846, in run_context
    context.run()
  File "renpy/common/00start.rpy", line 198, in script call
    call _gl_test
  File "renpy/common/00gltest.rpy", line 441, in script
    $ __gl_test()
  File "C:\Users\user\Desktop\새 폴더 (3)\TheMysticEnergy-1.0-pc\renpy\ast.py", line 862, in execute
    renpy.python.py_exec_bytecode(self.code.bytecode, self.hide, store=self.store)
  File "C:\Users\user\Desktop\새 폴더 (3)\TheMysticEnergy-1.0-pc\renpy\python.py", line 1888, in py_exec_bytecode
    exec bytecode in globals, locals
  File "renpy/common/00gltest.rpy", line 441, in <module>
    $ __gl_test()
  File "renpy/common/00gltest.rpy", line 359, in _m1_00gltest__gl_test
    _gl_performance_test()
  File "renpy/common/00gltest.rpy", line 384, in _gl_performance_test
    ui.interact(suppress_underlay=True, suppress_overlay=True)
  File "C:\Users\user\Desktop\새 폴더 (3)\TheMysticEnergy-1.0-pc\renpy\ui.py", line 287, in interact
    rv = renpy.game.interface.interact(roll_forward=roll_forward, **kwargs)
  File "C:\Users\user\Desktop\새 폴더 (3)\TheMysticEnergy-1.0-pc\renpy\display\core.py", line 2603, in interact
    self.start()
  File "C:\Users\user\Desktop\새 폴더 (3)\TheMysticEnergy-1.0-pc\renpy\display\core.py", line 1760, in start
    self.set_mode()
  File "C:\Users\user\Desktop\새 폴더 (3)\TheMysticEnergy-1.0-pc\renpy\display\core.py", line 1993, in set_mode
    if draw.set_mode(virtual_size, physical_size, fullscreen):
  File "gldraw.pyx", line 204, in renpy.gl.gldraw.GLDraw.set_mode
  File "C:\Users\user\Desktop\새 폴더 (3)\TheMysticEnergy-1.0-pc\renpy\display\core.py", line 1791, in post_init
    self.set_icon()
  File "C:\Users\user\Desktop\새 폴더 (3)\TheMysticEnergy-1.0-pc\renpy\display\core.py", line 1822, in set_icon
    renpy.loader.load(icon),
  File "C:\Users\user\Desktop\새 폴더 (3)\TheMysticEnergy-1.0-pc\renpy\loader.py", line 555, in load
    raise IOError("Couldn't find file '%s'." % name)
IOError: Couldn't find file 'gui/window_icon.png'.

Windows-7-6.1.7601-SP1
Ren'Py 6.99.14.3.3347
 1.0
Wed Jul 11 18:16:47 2018