MemoryPackSerializationException when deserializing a union interface on Android/iOS about memorypack HOT 3 OPEN

MemoryPack.MemoryPackSerializationException: BlazorAppMemoryPackBug.IBob is failed in provider at creating formatter.
blazor.webassembly.js:1  ---> System.Reflection.TargetInvocationException: Exception has been thrown by the target of an invocation.
blazor.webassembly.js:1  ---> System.TypeInitializationException: The type initializer for 'BlazorAppMemoryPackBug.IBob' threw an exception.
blazor.webassembly.js:1  ---> System.BadImageFormatException: Method has no body
blazor.webassembly.js:1 File name: 'MemoryPack.Core'
blazor.webassembly.js:1    at MemoryPack.MemoryPackFormatterProvider.Register[IBob]()
blazor.webassembly.js:1    at BlazorAppMemoryPackBug.IBob..cctor() in C:\Users\Aaron\source\repos\BlazorAppMemoryPackBug\obj\Debug\net8.0\MemoryPack.Generator\MemoryPack.Generator.MemoryPackGenerator\BlazorAppMemoryPackBug.IBob.MemoryPackFormatter.g.cs:line 31
blazor.webassembly.js:1    --- End of inner exception stack trace ---
blazor.webassembly.js:1    at System.Reflection.MethodBaseInvoker.InterpretedInvoke_Method(Object obj, IntPtr* args)
blazor.webassembly.js:1    at System.Reflection.MethodBaseInvoker.InvokeWithNoArgs(Object obj, BindingFlags invokeAttr)
blazor.webassembly.js:1    --- End of inner exception stack trace ---
blazor.webassembly.js:1    at System.Reflection.MethodBaseInvoker.InvokeWithNoArgs(Object obj, BindingFlags invokeAttr)
blazor.webassembly.js:1    at System.Reflection.RuntimeMethodInfo.Invoke(Object obj, BindingFlags invokeAttr, Binder binder, Object[] parameters, CultureInfo culture)
blazor.webassembly.js:1    at System.Reflection.MethodBase.Invoke(Object obj, Object[] parameters)
blazor.webassembly.js:1    at MemoryPack.MemoryPackFormatterProvider.TryInvokeRegisterFormatter(Type type)
blazor.webassembly.js:1    at MemoryPack.MemoryPackFormatterProvider.Cache`1[[BlazorAppMemoryPackBug.IBob, BlazorAppMemoryPackBug, Version=1.0.0.0, Culture=neutral, PublicKeyToken=null]]..cctor()
blazor.webassembly.js:1    --- End of inner exception stack trace ---
blazor.webassembly.js:1    at MemoryPack.MemoryPackSerializationException.ThrowRegisterInProviderFailed(Type type, Exception innerException)
blazor.webassembly.js:1    at MemoryPack.ErrorMemoryPackFormatter`1[[BlazorAppMemoryPackBug.IBob, BlazorAppMemoryPackBug, Version=1.0.0.0, Culture=neutral, PublicKeyToken=null]].Throw()
blazor.webassembly.js:1    at MemoryPack.ErrorMemoryPackFormatter`1[[BlazorAppMemoryPackBug.IBob, BlazorAppMemoryPackBug, Version=1.0.0.0, Culture=neutral, PublicKeyToken=null]].Serialize[ReusableLinkedArrayBufferWriter](MemoryPackWriter`1& writer, IBob& value)
blazor.webassembly.js:1    at MemoryPack.MemoryPackSerializer.Serialize[IBob](IBob& value, MemoryPackSerializerOptions options)
blazor.webassembly.js:1    at BlazorAppMemoryPackBug.Program.Main(String[] args) in \source\repos\BlazorAppMemoryPackBug\Program.cs:line 30

[MemoryPackable]
public partial class Bob: IBob
{
    public string Name { get; set; }
}

[MemoryPackable]
[MemoryPackUnion(0, typeof(Bob))]
public partial interface IBob
{
    string Name { get; set; }
}

public class Program
{
    public static async Task Main(string[] args)
    {
        var formatter = new DynamicUnionFormatter<IBob>(
            (0, typeof(Bob))
        );
        MemoryPackFormatterProvider.Register(formatter);

        var bob = new Bob() { Name = "Bob"};
        var ibob = (IBob)bob;
        MemoryPackSerializer.Serialize(ibob);