Raspberry PI: OpenHab2 mit: “Failed to fetch http://dl.bintray.com/openhab/apt-repo2/dists/stable/main/binary-armhf/Packages 405 Not Allowed”

Beim sudo apt-get update kommt nun dieser Fehler:

W: Failed to fetch http://dl.bintray.com/openhab/apt-repo2/dists/stable/main/binary-armhf/Packages 405 Not Allowed
E: Some index files failed to download. They have been ignored, or old ones used instead. “Raspberry PI: OpenHab2 mit: “Failed to fetch http://dl.bintray.com/openhab/apt-repo2/dists/stable/main/binary-armhf/Packages 405 Not Allowed”” weiterlesen