RabbitMQ authentication error

[Cybernetks]

Hi there,

I wanted to use this box for a personal project but I can't get past the provisioning.
On the Install RabbitMQ task I'm getting a authentication error:

TASK [rabbitmq : Install RabbitMQ] *********************************************
fatal: [default]: FAILED! => {"cache_update_time": 0, "cache_updated": false, "changed": false, "failed": true, "msg": "'/usr/bin/apt-get -y -o \"Dpkg::Options::=--force-confdef\" -o \"Dpkg::Options::=--force-confold\"     install 'rabbitmq-server'' failed: E: There are problems and -y was used without --force-yes\n", "stderr": "E: There are problems and -y was used without --force-yes\n", "stdout": "Reading package lists...\nBuilding dependency tree...\nReading state information...\nThe following extra packages will be installed:\n  erlang-asn1 erlang-base erlang-corba erlang-crypto erlang-diameter\n  erlang-edoc erlang-eldap erlang-erl-docgen erlang-eunit erlang-ic\n  erlang-inets erlang-inviso erlang-mnesia erlang-nox erlang-odbc\n  erlang-os-mon erlang-parsetools erlang-percept erlang-public-key\n  erlang-runtime-tools erlang-snmp erlang-ssh erlang-ssl erlang-syntax-tools\n  erlang-tools erlang-webtool erlang-xmerl libodbc1 libreadline5 socat\nSuggested packages:\n  erlang erlang-manpages erlang-doc xsltproc fop erlang-ic-java\n  erlang-observer libmyodbc odbc-postgresql tdsodbc unixodbc-bin\nThe following NEW packages will be installed:\n  erlang-asn1 erlang-base erlang-corba erlang-crypto erlang-diameter\n  erlang-edoc erlang-eldap erlang-erl-docgen erlang-eunit erlang-ic\n  erlang-inets erlang-inviso erlang-mnesia erlang-nox erlang-odbc\n  erlang-os-mon erlang-parsetools erlang-percept erlang-public-key\n  erlang-runtime-tools erlang-snmp erlang-ssh erlang-ssl erlang-syntax-tools\n  erlang-tools erlang-webtool erlang-xmerl libodbc1 libreadline5\n  rabbitmq-server socat\n0 upgraded, 31 newly installed, 0 to remove and 183 not upgraded.\nNeed to get 25.9 MB of archives.\nAfter this operation, 44.0 MB of additional disk space will be used.\nWARNING: The following packages cannot be authenticated!\n  rabbitmq-server\n", "stdout_lines": ["Reading package lists...", "Building dependency tree...", "Reading state information...", "The following extra packages will be installed:", "  erlang-asn1 erlang-base erlang-corba erlang-crypto erlang-diameter", "  erlang-edoc erlang-eldap erlang-erl-docgen erlang-eunit erlang-ic", "  erlang-inets erlang-inviso erlang-mnesia erlang-nox erlang-odbc", "  erlang-os-mon erlang-parsetools erlang-percept erlang-public-key", "  erlang-runtime-tools erlang-snmp erlang-ssh erlang-ssl erlang-syntax-tools", "  erlang-tools erlang-webtool erlang-xmerl libodbc1 libreadline5 socat", "Suggested packages:", "  erlang erlang-manpages erlang-doc xsltproc fop erlang-ic-java", "  erlang-observer libmyodbc odbc-postgresql tdsodbc unixodbc-bin", "The following NEW packages will be installed:", "  erlang-asn1 erlang-base erlang-corba erlang-crypto erlang-diameter", "  erlang-edoc erlang-eldap erlang-erl-docgen erlang-eunit erlang-ic", "  erlang-inets erlang-inviso erlang-mnesia erlang-nox erlang-odbc", "  erlang-os-mon erlang-parsetools erlang-percept erlang-public-key", "  erlang-runtime-tools erlang-snmp erlang-ssh erlang-ssl erlang-syntax-tools", "  erlang-tools erlang-webtool erlang-xmerl libodbc1 libreadline5", "  rabbitmq-server socat", "0 upgraded, 31 newly installed, 0 to remove and 183 not upgraded.", "Need to get 25.9 MB of archives.", "After this operation, 44.0 MB of additional disk space will be used.", "WARNING: The following packages cannot be authenticated!", "  rabbitmq-server"]}

Any idea what causes this and how I can fix it?