Xcode 13.x build error：'nil' requires a contextual type

[Daren-Wang]

extension DefaultsKeys { var ABC_UserInfo: DefaultsKey<ABC_M?> { .init("ABC_Key", defaultValue: nil)} }

struct ABC_M: HandyJSON, DefaultsSerializable, Codable { var id:UInt32? }

on Xcode 13.x build error 'nil' requires a contextual type

on other Xcode Version is Success