Whenever I restart node-RED, I see this error in the log.
I've also just created a brand new system - Pi3b+ with Buster, and the same error also appears in the new installation also.
Error: ring gave a seemingly valid authentication/authorisation, but the failed --caused-by-> problem GETing endpoint https://api.ring.com/clients_api/ring_devices --caused-by-> Request to ring API at https://api.ring.com/clients_api/ring_devices failed with "not authorized" --caused-by-> Request failed with status code 401 at module.exports (/home/pi/.node-red/node_modules/ring-api/propagated-error.js:22:19)
at module.exports (/home/pi/.node-red/node_modules/ring-api/main.js:33:15)
at processTicksAndRejections (internal/process/task_queues.js:93:5) {ownMessage: 'ring gave a seemingly valid authentication/authorisation, but the failed', causedBy: Error: problem GETing endpoint https://api.ring.com/clients_api/ring_devices --caused-by-> Request to ring API at https://api.ring.com/clients_api/ring_devices failed with "not authorized" --caused-by-> Request failed with status code 401
at module.exports (/home/pi/.node-red/node_modules/ring-api/propagated-error.js:22:19)
at Object.authenticatedRequest(/home/pi/.node-red/node_modules/ring-api/rest-client.js:166:23)
at processTicksAndRejections (internal/process/task_queues.js:93:5) {
ownMessage: 'problem GETing endpoint https://api.ring.com/clients_api/ring_devices', causedBy: Error: Request to ring API at https://api.ring.com/clients_api/ring_devices failed with "not authorized" --caused-by-> Request failed with status code 401
at module.exports (/home/pi/.node-red/node_modules/ring-api/propagated-error.js:22:19)
at ringRequest (/home/pi/.node-red/node_modules/ring-api/rest-client.js:71:19)
at processTicksAndRejections (internal/process/task_queues.js:93:5) {ownMessage: 'Request to ring API at https://api.ring.com/clients_api/ring_devices failed with "not authorized"',
causedBy: [Error], isPropagatedError: true}, isPropagatedError: true},
isPropagatedError: true
}