에러페이지

Error while extracting response for type [class com.quriously.epictower.contents.domain.klass.port.out.hub.KlassSourceResponse] and content type [application/json]; nested exception is org.springframework.http.converter.HttpMessageNotReadableException: JSON parse error: Instantiation of [simple type, class com.quriously.epictower.contents.domain.klass.port.out.hub.MasterResponse] value failed for JSON property description due to missing (therefore NULL) value for creator parameter description which is a non-nullable type; nested exception is com.fasterxml.jackson.module.kotlin.MissingKotlinParameterException: Instantiation of [simple type, class com.quriously.epictower.contents.domain.klass.port.out.hub.MasterResponse] value failed for JSON property description due to missing (therefore NULL) value for creator parameter description which is a non-nullable type at [Source: (org.springframework.util.StreamUtils$NonClosingInputStream); line: 1, column: 684] (through reference chain: com.quriously.epictower.contents.domain.klass.port.out.hub.KlassSourceResponse["master"]->com.quriously.epictower.contents.domain.klass.port.out.hub.MasterResponse["description"])

무엇을 도와드릴까요?