R28 fixes that problem, R27 has this patch:
Mega
Apply the patch, load a save, interact with Momonga's token at least once, save and from that point on you should no longer get that error in that save.
Full traceback:
File "C:\Users\vampi\Downloads\OverlordH-27-pc\OverlordH-27-pc\renpy\bootstrap.py", line 316, in bootstrap
renpy.main.main()
File "C:\Users\vampi\Downloads\OverlordH-27-pc\OverlordH-27-pc\renpy\main.py", line 578, in main
run(restart)
File "C:\Users\vampi\Downloads\OverlordH-27-pc\OverlordH-27-pc\renpy\main.py", line 143, in run
renpy.execution.run_context(True)
File "C:\Users\vampi\Downloads\OverlordH-27-pc\OverlordH-27-pc\renpy\execution.py", line 908, in run_context
context.run()
File "game/tokens/Momonga.rpyc", line 1200, in script call
File "game/scenarios/EP23/AuraConfession.rpyc", line 174, in script
v���X(ڜ��K����W��W�K�XJ�S���vkG{�^͇�N�k�+����R�#��y(_f��^�o()��v߷(}ۦ���F;�߭.9��=��}��i���g� �Y1�P"��B�1�I���~�!u� �yیϕ�>S�J%F_R��M�3�ɸ+��v~õ�օ�
File "game/tokens/Momonga.rpyc", line 1200, in script call
File "game/scenarios/EP23/AuraConfession.rpyc", line 174, in script
v���X(ڜ��K����W��W�K�XJ�S���vkG{�^͇�N�k�+����R�#��y(_f��^�o()��v߷(}ۦ���F;�߭.9��=��}��i���g� �Y1�P"��B�1�I���~�!u� �yیϕ�>S�J%F_R��M�3�ɸ+��v~õ�օ�
File "C:\Users\vampi\Downloads\OverlordH-27-pc\OverlordH-27-pc\renpy\ast.py", line 1628, in execute
choice = renpy.exports.menu(choices, self.set, args, kwargs, item_arguments)
File "C:\Users\vampi\Downloads\OverlordH-27-pc\OverlordH-27-pc\renpy\exports.py", line 990, in menu
rv = renpy.store.menu(new_items)
File "C:\Users\vampi\Downloads\OverlordH-27-pc\OverlordH-27-pc\renpy\exports.py", line 1226, in display_menu
rv = renpy.ui.interact(mouse='menu', type=type, roll_forward=roll_forward)
File "C:\Users\vampi\Downloads\OverlordH-27-pc\OverlordH-27-pc\renpy\ui.py", line 297, in interact
rv = renpy.game.interface.interact(roll_forward=roll_forward, **kwargs)
File "C:\Users\vampi\Downloads\OverlordH-27-pc\OverlordH-27-pc\renpy\display\core.py", line 2702, in interact
repeat, rv = self.interact_core(preloads=preloads, trans_pause=trans_pause, **kwargs)
File "C:\Users\vampi\Downloads\OverlordH-27-pc\OverlordH-27-pc\renpy\display\core.py", line 3342, in interact_core
ev2 = self.event_peek()
File "C:\Users\vampi\Downloads\OverlordH-27-pc\OverlordH-27-pc\renpy\display\core.py", line 2313, in event_peek
self.check_background_screenshot()
File "C:\Users\vampi\Downloads\OverlordH-27-pc\OverlordH-27-pc\renpy\display\core.py", line 2161, in check_background_screenshot
self.bgscreenshot_surface = renpy.display.draw.screenshot(self.surftree, self.fullscreen_video)
File "gldraw.pyx", line 1415, in renpy.gl.gldraw.GLDraw.screenshot
File "C:\Users\vampi\Downloads\OverlordH-27-pc\OverlordH-27-pc\renpy\display\pgrender.py", line 174, in flip
return copy_surface_unscaled(surf)
File "C:\Users\vampi\Downloads\OverlordH-27-pc\OverlordH-27-pc\renpy\display\pgrender.py", line 129, in copy_surface
rv = surface_unscaled(surf.get_size(), alpha)
File "C:\Users\vampi\Downloads\OverlordH-27-pc\OverlordH-27-pc\renpy\display\pgrender.py", line 118, in surface
surf = Surface((width + 4, height + 4), 0, sample)
File "src/pygame_sdl2/surface.pyx", line 164, in pygame_sdl2.surface.Surface.__init__
error: Out of memory
Windows-8-6.2.9200
Ren'Py 7.3.5.606
Overlord H 27
Tue Jun 09 07:01:52 2020
is what i get after i apply the patch and everything