Application error

• Failed to get json from web service (https://openobs.mnhn.fr/biocache-service/occurrences/a64db414-e6fb-4d81-9bd6-32df3f99254c) status 500 : Failed calling web service. class java.net.UnknownHostException openobs.mnhn.fr URL= https://openobs.mnhn.fr/biocache-service/occurrences/a64db414-e6fb-4d81-9bd6-32df3f99254c, method GET.