I am working on reversing the app built by Unity 2019.4.15f1 and I am using same version of Unity.
Using the AssetRipper tool, I get the project structure and asset files. But When I build the project on Unity, I get the some issues following as:
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Most of issues are “AssetsPluginsAssembly-CSharp-firstpassPropertiesAssemblyInfo.cs(4,12): error CS0433: The type ‘RuntimeCompatibilityAttribute’ exists in both ‘mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=null’ and ‘mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089′”

I saw the several articles and they said remove Unity.Compat.dll and Unity.Tasks.dll inside of Assets/Parse/Plugins. But I don’t have these folders(Assets/Parse/Plugins).
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As you can see these two files are in Assets/Plugins/ so I removed it. But the issues didn’t be solved. I can’t do anything. Please help me.