The repository 'https://dl.bintray.com/obiba/deb all InRelease' is not signed

[gerhardmayer-UKU]

E:Failed to fetch https://dl.bintray.com/obiba/deb/dists/all/InRelease 403 Forbidden [IP: 10.170.40.140 8080], E:The repository 'https://dl.bintray.com/obiba/deb all InRelease' is not signed."

[kazoompa]

The repositories are no longer in bintray, see here for proper configuration: https://www.obiba.org/pages/pkg/