Cannot construct instance of1

• [Retrofit 에러] com.fasterxml.jackson.databind.exc.InvalidDefinitionException com.fasterxml.jackson.databind.exc.InvalidDefinitionException: Cannot construct instance of `com.rsn.test.api.retrofit.Repo` (no Creators, like default constructor, exist): cannot deserialize from Object value (no delegate- or property-based Creator) at [Source: (okhttp3.ResponseBody$BomAwareReader); line: 1, column: 3] (through reference chain: java.util.ArrayList[0]) at com.fasterxml.jackson.d.. 개발중/Troubleshooting 2023. 1. 26.