Flatpak RC4 doesn't launching

I installed flatpak package from discord and it doesn't launching.
Arch Linux, Niri, Wayland
CPU: AMD Ryzen 9 7940HS (16) @ 5.26 GHz
GPU 1: NVIDIA GeForce RTX 4060 Max-Q / Mobile [Discrete]
GPU 2: AMD Radeon 780M Graphics [Integrated]
```
$ env RUST_BACKTRACE=full flatpak run art.graphite.Graphite

Available WGPU adapters:
[0] Vulkan IntegratedGpu (Name: AMD Radeon 780M Graphics (RADV PHOENIX), Driver: radv, Device: 5567)
[1] Vulkan DiscreteGpu (Name: NVIDIA GeForce RTX 4060 Laptop GPU, Driver: NVIDIA, Device: 10400)
[2] Vulkan Cpu (Name: llvmpipe (LLVM 21.1.8, 256 bits), Driver: llvmpipe, Device: 0)
[3] Gl Other (Name: AMD Radeon 780M Graphics (radeonsi, phoenix, LLVM 21.1.8, DRM 3.64, 6.19.6-arch1-1), Driver: , Device: 0)

Using WGPU adapter: AdapterInfo { name: "NVIDIA GeForce RTX 4060 Laptop GPU", vendor: 4318, device: 10400, device_type: DiscreteGpu, driver: "NVIDIA", driver_info: "590.48.01", backend: Vulkan }

thread 'main' (2) panicked at desktop/src/render/state.rs:36:119:
index out of bounds: the len is 0 but the index is 0
stack backtrace:
0: 0x557f128349cc -
1: 0x557f10ee8ebf -
2: 0x557f1282301f -
3: 0x557f1282d793 -
4: 0x557f1283ba87 -
5: 0x557f1283b967 -
6: 0x557f1283bc41 -
7: 0x557f1282da5a -
8: 0x557f1282d8a9 -
9: 0x557f128372ed -
10: 0x557f10bdaaf0 -
11: 0x557f10bda892 -
12: 0x557f111c2d9f -
13: 0x557f111b7cf0 -
14: 0x557f1125e9b8 -
15: 0x557f11260d35 -
16: 0x557f111a738d -
17: 0x557f1122017d -
18: 0x557f111641d3 -
19: 0x557f111641c9 -
20: 0x557f128393fb -
21: 0x557f1116422c -
22: 0x7f72a682c975 -
23: 0x7f72a682ca28 - __libc_start_main
24: 0x557f10de19f5 -
25: 0x0 -
```