[Bug]: System.ArgumentException: Class System.Object does not inherit from a class registered in il2cpp

[lontrr]

Are you on the latest version of UnityExplorer?

• Yes, I'm on the latest version of UnityExplorer.

Which release are you using?

MelonLoader IL2CPP

Which game did this occur on?

Rust, unity version: 2021.3.21f1

Describe the issue.

Just launching the game with melon loader and unity explorer mod

Relevant log output

[12:35:20.805] ------------------------------
[12:35:20.833] MelonLoader v0.6.1 Open-Beta
[12:35:20.834] OS: Windows 11
[12:35:20.834] Hash Code: 696B58144EEC73C72FA36A811CA73312EEE4EC28AD5E3527BDA1E14F388A
[12:35:20.834] ------------------------------
[12:35:20.835] Game Type: Il2cpp
[12:35:20.835] Game Arch: x64
[12:35:20.835] ------------------------------
[12:35:20.835] Core::BasePath = C:\Program Files (x86)\Steam\steamapps\common\Rust
[12:35:20.835] Game::BasePath = C:\Program Files (x86)\Steam\steamapps\common\Rust
[12:35:20.835] Game::DataPath = C:\Program Files (x86)\Steam\steamapps\common\Rust\RustClient_Data
[12:35:20.836] Game::ApplicationPath = C:\Program Files (x86)\Steam\steamapps\common\Rust\RustClient.exe
[12:35:20.836] Runtime Type: net6
[12:35:20.917] ------------------------------
[12:35:20.918] Game Name: Rust
[12:35:20.918] Game Developer: Facepunch Studios LTD
[12:35:20.919] Unity Version: 2021.3.21f1
[12:35:20.919] Game Version: 1.0
[12:35:20.919] ------------------------------

[12:35:21.412] Preferences Loaded!

[12:35:21.429] Loading Plugins from 'C:\Program Files (x86)\Steam\steamapps\common\Rust\Plugins'...
[12:35:21.430] 0 Plugins loaded.
[12:35:21.726] [MelonStartScreen] Initializing...
[12:35:21.764] [MelonStartScreen] Using Start Screen Theme: "Default"
[12:35:21.885] [MelonStartScreen] Failed to find the signature for field m_D3D12WaitForLastPresentationAndGetTimestamp in module. Signature: 48 89 5c 24 08 57 48 81 ec 90 00 00 00 0f 29 b4 24 80 00 00 00 48 8b d9
[12:35:21.902] Loading Il2CppAssemblyGenerator...
[12:35:21.910] [Il2CppAssemblyGenerator] Contacting RemoteAPI...
[12:35:22.092] [Il2CppAssemblyGenerator] Game Not Found on RemoteAPI Host (https://api.melonloader.com/api/v1/game/rust)
[12:35:22.092] [Il2CppAssemblyGenerator] RemoteAPI.DumperVersion = null
[12:35:22.092] [Il2CppAssemblyGenerator] RemoteAPI.ObfuscationRegex = null
[12:35:22.092] [Il2CppAssemblyGenerator] RemoteAPI.MappingURL = null
[12:35:22.092] [Il2CppAssemblyGenerator] RemoteAPI.MappingFileSHA512 = null
[12:35:22.102] [Il2CppAssemblyGenerator] Using Dumper Version: 2022.1.0-pre-release.10
[12:35:22.103] [Il2CppAssemblyGenerator] Using Il2CppInterop Version = 1.4.5
[12:35:22.103] [Il2CppAssemblyGenerator] Using Unity Dependencies Version = 2021.3.21
[12:35:22.104] [Il2CppAssemblyGenerator] Using Deobfuscation Regex = null
[12:35:22.104] [Il2CppAssemblyGenerator] Cpp2IL is up to date.
[12:35:22.105] [Il2CppAssemblyGenerator] UnityDependencies is up to date.
[12:35:22.105] [Il2CppAssemblyGenerator] Checking GameAssembly...
[12:35:22.237] [Il2CppAssemblyGenerator] Assembly is up to date. No Generation Needed.

[12:35:22.238] Loading Mods from 'C:\Program Files (x86)\Steam\steamapps\common\Rust\Mods'...
[12:35:22.240] ------------------------------
[12:35:22.263] Melon Assembly loaded: '.\Mods\UnityExplorer.ML.IL2CPP.net6preview.dll'
[12:35:22.264] SHA256 Hash: '181bf3901b820fabbf279fa02d29645c13e9b6c77619dccb0fac1c3cce410375'

[12:35:22.438] ------------------------------
[12:35:22.439] UnityExplorer v4.9.0
[12:35:22.439] by Sinai
[12:35:22.439] Assembly: UnityExplorer.ML.IL2CPP.net6preview.dll
[12:35:22.439] ------------------------------
[12:35:22.439] ------------------------------
[12:35:22.439] 1 Mod loaded.

[12:35:22.816] Class::Init signatures have been exhausted, using a substitute!
[12:35:22.842] Registered mono type Il2CppInterop.Runtime.DelegateSupport+Il2CppToMonoDelegateReference in il2cpp domain
[12:35:22.871] Registered mono type MelonLoader.Support.MonoEnumeratorWrapper in il2cpp domain
[12:35:22.873] Registered mono type MelonLoader.Support.SM_Component in il2cpp domain
[12:35:22.880] Support Module Loaded: C:\Program Files (x86)\Steam\steamapps\common\Rust\MelonLoader\Dependencies\SupportModules\Il2Cpp.dll
[12:35:22.905] [UnityExplorer] UnityExplorer 4.9.0 initializing...
[12:35:22.923] [UnityExplorer] [UniverseLib] UniverseLib 1.5.1 initializing...
[12:35:22.939] [UnityExplorer] System.ArgumentException: Class System.Object does not inherit from a class registered in il2cpp
   at UnhollowerRuntimeLib.ClassInjector.RegisterTypeInIl2Cpp(Type type, RegisterTypeOptions options)
   at UnhollowerRuntimeLib.ClassInjector.RegisterTypeInIl2Cpp(Type type, RegisterTypeOptions options)
   at UnhollowerRuntimeLib.ClassInjector.RegisterTypeInIl2Cpp(Type type, RegisterTypeOptions options)
   at UnhollowerRuntimeLib.ClassInjector.RegisterTypeInIl2Cpp(Type type, RegisterTypeOptions options)
   at UnhollowerRuntimeLib.ClassInjector.RegisterTypeInIl2Cpp(Type type, RegisterTypeOptions options)
   at UnhollowerRuntimeLib.ClassInjector.RegisterTypeInIl2Cpp(Type type, RegisterTypeOptions options)
   at UnhollowerRuntimeLib.ClassInjector.RegisterTypeInIl2Cpp(Type type, RegisterTypeOptions options)
   at UnhollowerRuntimeLib.ClassInjector.RegisterTypeInIl2Cpp(Type type, RegisterTypeOptions options)
   at UnhollowerRuntimeLib.ClassInjector.RegisterTypeInIl2Cpp(Type type)
   at UnhollowerRuntimeLib.ClassInjector.RegisterTypeInIl2Cpp[T]()
   at UniverseLib.UniversalBehaviour.Setup()
   at UniverseLib.Universe.Init(Single startupDelay, Action onInitialized, Action`2 logHandler, UniverseLibConfig config)
   at UnityExplorer.ExplorerCore.Init(IExplorerLoader loader)
   at UnityExplorer.ExplorerMelonMod.OnApplicationStart()
   at MelonLoader.MelonEvent.<>c.<Invoke>b__1_0(LemonAction x) in D:\a\MelonLoader\MelonLoader\MelonLoader\Melons\Events\MelonEvent.cs:line 174
   at MelonLoader.MelonEventBase`1.Invoke(Action`1 delegateInvoker) in D:\a\MelonLoader\MelonLoader\MelonLoader\Melons\Events\MelonEvent.cs:line 143