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When I open an Unreal 5 project in Rider, all the classes from UnrealBuildTool are shown as errors:

The type 'object' is defined in an assembly that is not referenced. You must add a reference to assembly 'mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089'

But the game itself still builds. Only the parts that use UnrealBuildTool report errors. How to fix it?

Screenshot:

enter image description here

Lai Yu-Hsuan
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