Could not find ContentTypeReader Type. Please ensure the name of the Assembly that contains the Type matches the assembly in the full type name:

[V8275]

I don't understand why this error appears when i add a model .dae

Microsoft.Xna.Framework.Content.ContentLoadException: "Could not find ContentTypeReader Type. Please ensure the name of the Assembly that contains the Type matches the assembly in the full type name: Microsoft.Xna.Framework.Content.ReflectiveReader1[[Microsoft.Xna.Framework.Content.Pipeline.Graphics.MaterialContent, MonoGame.Framework.Content.Pipeline, Version=3.8.0.1641, Culture=neutral, PublicKeyToken=null]] (Microsoft.Xna.Framework.Content.ReflectiveReader1[[Microsoft.Xna.Framework.Content.Pipeline.Graphics.MaterialContent, MonoGame.Framework.Content.Pipeline]])"

What version of MonoGame does the bug occur on:

• MonoGame 3.8/0/1641

What operating system are you using:

• Windows 10

What MonoGame platform are you using:

• DesktopGL

[mrhelmut]

Do you happen to have enabled .NET trimming?

[V8275]

Do you happen to have enabled .NET trimming?

How can I check this?

[akghasemi]

I had the same issue with 3.8.1 , and I disabled .NET trimming and it worked, should it be disabled in monogame?

[Ragath]

I had the same issue with 3.8.1 , and I disabled .NET trimming and it worked, should it be disabled in monogame?

no you just need to tell it not to trim types you're actually using, like the readers. https://devblogs.microsoft.com/dotnet/customizing-trimming-in-net-core-5/

[mrhelmut]

Duplicate of #8104