runtime_exception
Failed to convert value of type [java.lang.String] to required type [org.fao.geonet.api.records.model.related.RelatedItemType[]]; nested exception is org.springframework.core.convert.ConversionFailedException: Failed to convert from type [java.lang.String] to type [org.fao.geonet.api.records.model.related.RelatedItemType] for value 'online'; nested exception is java.lang.IllegalArgumentException: No enum constant org.fao.geonet.api.records.model.related.RelatedItemType.onlineMethodArgumentTypeMismatchException