Room TypeConverter with constructor error: java.lang.IllegalArgumentException

Issue I have been struggling with this error for a long time. I have seen similar topics while no answer has brought the result. Following this tutorial https://www.section.io/engineering-education/storing-custom-data-types-with-custom-typeconverter-in-room-database/. Error: java.lang.RuntimeException: Unable to start activity ComponentInfo{com.example.cointracker/com.example.cointracker.MainActivity}: java.lang.IllegalArgumentException: A required type converter

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