Discord Username
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Description
Error: Failed to run game load: Error: C# exception from NativeAOT
Crash logs
4308.2300 [error] Failed to run game load Error: C# exception from NativeAOT
4308.2250 [log] at wasm://wasm/0365532e:wasm-function[8798]:0x398ee7
4308.2150 [log] at wasm://wasm/0365532e:wasm-function[13329]:0x564c2b
4308.2050 [log] at wasm://wasm/0365532e:wasm-function[7345]:0x2fc8be
4308.1950 [log] at wasm://wasm/0365532e:wasm-function[13917]:0x58d502
4308.1850 [log] at wasm://wasm/0365532e:wasm-function[12042]:0x4f2203
4308.1800 [log] at wasm://wasm/0365532e:wasm-function[601]:0x29fc3
4308.1700 [log] at wasm://wasm/0365532e:wasm-function[381]:0x175a4
4308.1650 [log] at wasm://wasm/0365532e:wasm-function[476]:0x1e3d6
4308.1600 [log] at wasm://wasm/0365532e:wasm-function[23670]:0x973766
4308.1500 [log] error initializing game controller: System.FormatException: The input string '10000 ' was not in a correct format.
4308.1400 [error] Reading beyond file size
4308.1300 [log] 04/09/2026 20:47:16 | GAME | Trace | Unloaded: /client/AnimationSequence.uop
4308.1200 [error] Reading beyond file size
4308.1050 [log] 04/09/2026 20:47:16 | GAME | Trace | Loading file: /client/AnimationSequence.uop
4308.1000 [log] 04/09/2026 20:47:16 | GAME | Trace | Loading file: /client/AnimationFrame6.uop
4308.0900 [log] 04/09/2026 20:47:16 | GAME | Trace | Loading file: /client/AnimationFrame4.uop
4308.0800 [log] 04/09/2026 20:47:16 | GAME | Trace | Loading file: /client/AnimationFrame3.uop
4308.0750 [log] 04/09/2026 20:47:15 | GAME | Trace | Loading file: /client/AnimationFrame2.uop
4308.0650 [log] 04/09/2026 20:47:15 | GAME | Trace | Loading file: /client/AnimationFrame1.uop
4308.0600 [log] 04/09/2026 20:47:15 | GAME | Trace | Loading file: /client/anim6.idx
4308.0500 [log] 04/09/2026 20:47:15 | GAME | Trace | Loading file: /client/anim6.mul
4308.0450 [log] 04/09/2026 20:47:15 | GAME | Trace | Loading file: /client/anim5.idx
4308.0350 [log] 04/09/2026 20:47:15 | GAME | Trace | Loading file: /client/anim5.mul
4308.0250 [log] 04/09/2026 20:47:15 | GAME | Trace | Loading file: /client/anim4.idx
4308.0200 [log] 04/09/2026 20:47:15 | GAME | Trace | Loading file: /client/anim4.mul
4308.0100 [log] 04/09/2026 20:47:15 | GAME | Trace | Loading file: /client/anim3.idx
4308.0050 [log] 04/09/2026 20:47:15 | GAME | Trace | Loading file: /client/anim3.mul
4307.9950 [log] 04/09/2026 20:47:15 | GAME | Trace | Loading file: /client/anim2.idx
4307.9850 [log] 04/09/2026 20:47:15 | GAME | Trace | Loading file: /client/anim2.mul
4307.9800 [log] 04/09/2026 20:47:15 | GAME | Trace | Loading file: /client/anim.idx
4307.9700 [log] 04/09/2026 20:47:15 | GAME | Trace | Loading file: /client/anim.mul
4307.9600 [log] 04/09/2026 20:47:15 | GAME | Trace | No Override File found, ignoring.
4307.9550 [log] 04/09/2026 20:47:15 | GAME | Trace | Protocol: CF_RE, CF_TD, CF_LBR, CF_AOS, CF_SE, CF_SA
4307.9350 [log] 04/09/2026 20:47:15 | GAME | Trace | Client version: 117469736
4307.9150 [log] 04/09/2026 20:47:15 | GAME | Trace | Client path: '/client'
4307.9100 [log] 04/09/2026 20:47:15 | GAME | Trace | Loading files...
4307.9000 [log] 04/09/2026 20:47:15 | GAME | Trace | Ultima Online installation folder: /client
4307.8900 [error] MojoShader Profile: glsles3
4307.8800 [error] OpenGL Vendor: WebKit
4307.8750 [error] OpenGL Driver: OpenGL ES 3.0 (WebGL 2.0 (OpenGL ES 3.0 Chromium))
4307.8600 [error] OpenGL Renderer: WebKit WebGL
4307.8450 [error] FNA3D Driver: OpenGL
4307.8050 [log] starting game loop...
4307.7950 [log] GameController: False
4307.7850 [error] WARNING: SDL_GPUSupportsShaderFormats failed: No supported SDL_GPU backend found!
4307.7700 [log] initializing game controller...
4307.7550 [log] loading configuration...
4307.7400 [log] loading classicuo wasm...
4307.7250 [log] Launching game
4307.6250 [log] FAudioLinkedVersion: 251100
4307.5950 [log] SDL VERSION: SDL3-3.2.0-release-3.2.0
Reproduction steps
1. Go to '...'
2. Click on '....'
3. Scroll down to '....'
4. See error
Screenshots
Logs or Error messages
Browsers
No response
OS
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Discord Username
No response
Description
Error: Failed to run game load: Error: C# exception from NativeAOT
Crash logs
4308.2300 [error] Failed to run game load Error: C# exception from NativeAOT
4308.2250 [log] at wasm://wasm/0365532e:wasm-function[8798]:0x398ee7
4308.2150 [log] at wasm://wasm/0365532e:wasm-function[13329]:0x564c2b
4308.2050 [log] at wasm://wasm/0365532e:wasm-function[7345]:0x2fc8be
4308.1950 [log] at wasm://wasm/0365532e:wasm-function[13917]:0x58d502
4308.1850 [log] at wasm://wasm/0365532e:wasm-function[12042]:0x4f2203
4308.1800 [log] at wasm://wasm/0365532e:wasm-function[601]:0x29fc3
4308.1700 [log] at wasm://wasm/0365532e:wasm-function[381]:0x175a4
4308.1650 [log] at wasm://wasm/0365532e:wasm-function[476]:0x1e3d6
4308.1600 [log] at wasm://wasm/0365532e:wasm-function[23670]:0x973766
4308.1500 [log] error initializing game controller: System.FormatException: The input string '10000 ' was not in a correct format.
4308.1400 [error] Reading beyond file size
4308.1300 [log] 04/09/2026 20:47:16 | GAME | Trace | Unloaded: /client/AnimationSequence.uop
4308.1200 [error] Reading beyond file size
4308.1050 [log] 04/09/2026 20:47:16 | GAME | Trace | Loading file: /client/AnimationSequence.uop
4308.1000 [log] 04/09/2026 20:47:16 | GAME | Trace | Loading file: /client/AnimationFrame6.uop
4308.0900 [log] 04/09/2026 20:47:16 | GAME | Trace | Loading file: /client/AnimationFrame4.uop
4308.0800 [log] 04/09/2026 20:47:16 | GAME | Trace | Loading file: /client/AnimationFrame3.uop
4308.0750 [log] 04/09/2026 20:47:15 | GAME | Trace | Loading file: /client/AnimationFrame2.uop
4308.0650 [log] 04/09/2026 20:47:15 | GAME | Trace | Loading file: /client/AnimationFrame1.uop
4308.0600 [log] 04/09/2026 20:47:15 | GAME | Trace | Loading file: /client/anim6.idx
4308.0500 [log] 04/09/2026 20:47:15 | GAME | Trace | Loading file: /client/anim6.mul
4308.0450 [log] 04/09/2026 20:47:15 | GAME | Trace | Loading file: /client/anim5.idx
4308.0350 [log] 04/09/2026 20:47:15 | GAME | Trace | Loading file: /client/anim5.mul
4308.0250 [log] 04/09/2026 20:47:15 | GAME | Trace | Loading file: /client/anim4.idx
4308.0200 [log] 04/09/2026 20:47:15 | GAME | Trace | Loading file: /client/anim4.mul
4308.0100 [log] 04/09/2026 20:47:15 | GAME | Trace | Loading file: /client/anim3.idx
4308.0050 [log] 04/09/2026 20:47:15 | GAME | Trace | Loading file: /client/anim3.mul
4307.9950 [log] 04/09/2026 20:47:15 | GAME | Trace | Loading file: /client/anim2.idx
4307.9850 [log] 04/09/2026 20:47:15 | GAME | Trace | Loading file: /client/anim2.mul
4307.9800 [log] 04/09/2026 20:47:15 | GAME | Trace | Loading file: /client/anim.idx
4307.9700 [log] 04/09/2026 20:47:15 | GAME | Trace | Loading file: /client/anim.mul
4307.9600 [log] 04/09/2026 20:47:15 | GAME | Trace | No Override File found, ignoring.
4307.9550 [log] 04/09/2026 20:47:15 | GAME | Trace | Protocol: CF_RE, CF_TD, CF_LBR, CF_AOS, CF_SE, CF_SA
4307.9350 [log] 04/09/2026 20:47:15 | GAME | Trace | Client version: 117469736
4307.9150 [log] 04/09/2026 20:47:15 | GAME | Trace | Client path: '/client'
4307.9100 [log] 04/09/2026 20:47:15 | GAME | Trace | Loading files...
4307.9000 [log] 04/09/2026 20:47:15 | GAME | Trace | Ultima Online installation folder: /client
4307.8900 [error] MojoShader Profile: glsles3
4307.8800 [error] OpenGL Vendor: WebKit
4307.8750 [error] OpenGL Driver: OpenGL ES 3.0 (WebGL 2.0 (OpenGL ES 3.0 Chromium))
4307.8600 [error] OpenGL Renderer: WebKit WebGL
4307.8450 [error] FNA3D Driver: OpenGL
4307.8050 [log] starting game loop...
4307.7950 [log] GameController: False
4307.7850 [error] WARNING: SDL_GPUSupportsShaderFormats failed: No supported SDL_GPU backend found!
4307.7700 [log] initializing game controller...
4307.7550 [log] loading configuration...
4307.7400 [log] loading classicuo wasm...
4307.7250 [log] Launching game
4307.6250 [log] FAudioLinkedVersion: 251100
4307.5950 [log] SDL VERSION: SDL3-3.2.0-release-3.2.0
Reproduction steps
Screenshots
Logs or Error messages
Browsers
No response
OS
No response