helm quay plugin has stopped working

[melahn]

helm quay pull quay.io/melahn/helm-chartmap-test-chart@1.0.2
usage: appr [-h]
{pull,run-server,show,inspect,list,delete-package,helm,version,logout,deploy,plugins,push,login,config,channel,jsonnet}
...
appr: error:
message: '404 Client Error: NOT FOUND for url: https://quay.io/cnr/api/v1/packages/melahn/helm-chartmap-test-chart/1.0.2/helm/pull?format=json'
response: '

<title>404 Not Found</title>

Not Found

The requested URL was not found on the server. If you entered the URL manually please check your spelling and try again.

'

Error: plugin "quay" exited with error