I am getting this error when installing to an (almost) fresh instance of Debian Buster 10:
TASK [funkwhale : Install certbot snap] ******************************************************************
fatal: [127.0.0.1]: FAILED! => {"changed": true, "cmd": ["snap", "install", "--classic", "certbot"], "delta": "0:00:00.482271", "end": "2021-07-21 11:36:41.758145", "msg": "non-zero return code", "rc": 1, "start": "2021-07-21 11:36:41.275874", "stderr": "error: snap \"certbot\" is not available on stable but is available to install on\n the following channels:\n\n edge snap install --edge certbot\n\n Please be mindful pre-release channels may include features not\n completely tested or implemented. Get more information with 'snap info\n certbot'.", "stderr_lines": ["error: snap \"certbot\" is not available on stable but is available to install on", " the following channels:", "", " edge snap install --edge certbot", "", " Please be mindful pre-release channels may include features not", " completely tested or implemented. Get more information with 'snap info", " certbot'."], "stdout": "", "stdout_lines": []}
PLAY RECAP ***********************************************************************************************
127.0.0.1 : ok=32 changed=4 unreachable=0 failed=1 skipped=16 rescued=0 ignored=0