MelonDS fails to load Rom from Lutris, works otherwise

I use MelonDS 0.9.5 from FlatHub as custom runner.
If i open a rom from Lutris a pop-up “Failed to load the ROM.” appears in MelonDS.
MelonDS stays open after the pop-up is closed.
If i open the same rom with File>Open Rom or File>Open Recent in the MelonDS instance opened by Lutris the game loads normally.
Distro is Pop!_OS 22.04

Already tried installing and reinstalling appmenu-gtk2-module appmenu-gtk3-module.
Disabling/Enabling Lutris Runtime does nothing.

game log:
Started initial process 78434 from /home/robin/.local/share/flatpak/app/net.kuribo64.melonDS/current/8a374b6a4cb929b62441fa2da430e24a4464d3c62bf332e4e163616118817430/export/bin/net.kuribo64.melonDS /mnt/ad3855c1-981e-4421-9bf8-1d6e85c2a01d/Emulation/Roms/Nintendo DS/Mystery Dungeon - Shiren the Wanderer (USA).nds
Start monitoring process.
Gtk-Message: 20:53:53.597: Failed to load module “appmenu-gtk-module”
Gtk-Message: 20:53:53.625: Failed to load module “canberra-gtk-module”
Gtk-Message: 20:53:53.626: Failed to load module “canberra-gtk-module”
Qt: Session management error: None of the authentication protocols specified are supported
libGL error: glx: failed to create dri3 screen
libGL error: failed to load driver: nouveau

lutris -d Output:
INFO 2023-02-19 20:51:23,370 [startup.init_lutris:173]:Starting Lutris 0.5.12
INFO 2023-02-19 20:51:23,456 [startup.check_driver:57]:Using NVIDIA drivers 525.85.05 for x86_64
INFO 2023-02-19 20:51:23,456 [startup.check_driver:61]:GPU: NVIDIA GeForce RTX 3060
INFO 2023-02-19 20:51:23,456 [startup.check_driver:77]:GPU: 10DE:2504 1043:8810 (nvidia drivers)
INFO 2023-02-19 20:51:23,456 [startup.check_driver:77]:GPU: 8086:4680 1458:D000 (i915 drivers)
DEBUG 2023-02-19 20:51:23,788 [lutriswindow.update_store:448]:Showing 33 games
INFO 2023-02-19 20:51:23,930 [startup.update_runtimes:218]:Startup complete
DEBUG 2023-02-19 20:51:26,481 [grid.on_item_activated:57]:Item activated: 45
INFO 2023-02-19 20:51:26,482 [runner.use_runtime:299]:Runtime disabled by system configuration
INFO 2023-02-19 20:51:26,490 [runner.use_runtime:299]:Runtime disabled by system configuration
DEBUG 2023-02-19 20:51:26,493 [command.start:141]:DISABLE_LAYER_AMD_SWITCHABLE_GRAPHICS_1=“1”
DEBUG 2023-02-19 20:51:26,493 [command.start:141]:__GL_SHADER_DISK_CACHE=“1”
DEBUG 2023-02-19 20:51:26,493 [command.start:141]:__GL_SHADER_DISK_CACHE_PATH=“/home/robin/.cache/lutris/shaders/melonds”
DEBUG 2023-02-19 20:51:26,493 [command.start:141]:DRI_PRIME=“1”
DEBUG 2023-02-19 20:51:26,493 [command.start:141]:VK_ICD_FILENAMES=“/usr/share/vulkan/icd.d/nvidia_icd.json”
DEBUG 2023-02-19 20:51:26,493 [command.start:141]:game_name=“Mystery Dungeon - Shiren The Wanderer”
DEBUG 2023-02-19 20:51:26,493 [command.start:141]:PYTHONPATH=“/usr/lib/lutris:/usr/games:/usr/lib/python310.zip:/usr/lib/python3.10:/usr/lib/python3.10/lib-dynload:/home/robin/.local/lib/python3.10/site-packages:/usr/local/lib/python3.10/dist-packages:/usr/lib/python3/dist-packages”
DEBUG 2023-02-19 20:51:26,493 [command.start:141]:LUTRIS_GAME_UUID=“31e1fefd-3e54-4bd6-ac2a-4ccb480b7606”
Discord ID: None
INFO 2023-02-19 20:51:26,499 [game.start_game:586]:Discord RPC Disabled or Discord APP ID Not Present
Started initial process 78188 from /home/robin/.local/share/flatpak/app/net.kuribo64.melonDS/current/8a374b6a4cb929b62441fa2da430e24a4464d3c62bf332e4e163616118817430/export/bin/net.kuribo64.melonDS /mnt/ad3855c1-981e-4421-9bf8-1d6e85c2a01d/Emulation/Roms/Nintendo DS/Mystery Dungeon - Shiren the Wanderer (USA).nds
Start monitoring process.
Gtk-Message: 20:51:26.615: Failed to load module “appmenu-gtk-module”
Gtk-Message: 20:51:26.645: Failed to load module “canberra-gtk-module”
Gtk-Message: 20:51:26.645: Failed to load module “canberra-gtk-module”
Qt: Session management error: None of the authentication protocols specified are supported
libGL error: glx: failed to create dri3 screen
libGL error: failed to load driver: nouveau
DEBUG 2023-02-19 20:51:29,409 [command.on_stop:195]:Process 78186 has terminated with code 0
DEBUG 2023-02-19 20:51:30,502 [game.beat:693]:Game thread stopped
WARNING 2023-02-19 20:51:30,502 [game.on_game_quit:730]:Game still running (state: running)
INFO 2023-02-19 20:51:30,502 [game.stop:704]:Stopping Mystery Dungeon - Shiren The Wanderer (melonds)
DEBUG 2023-02-19 20:51:30,503 [game.stop_game:664]:Mystery Dungeon - Shiren The Wanderer (melonds) has run for 4 seconds
WARNING 2023-02-19 20:51:30,503 [game.stop_game:666]:The game has run for a very short time, did it crash?
DEBUG 2023-02-19 20:51:30,510 [game.on_game_quit:748]:Mystery Dungeon - Shiren The Wanderer stopped at Sun, 19 Feb 2023 20:51:30
DEBUG 2023-02-19 20:51:30,510 [game.save:299]:Saving Mystery Dungeon - Shiren The Wanderer (melonds) with config ID mystery-dungeon-shiren-the-wanderer-1676831563
INFO 2023-02-19 20:51:30,990 [application.do_shutdown:898]:Shutting down Lutris

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