Partial write: field type conflict

Just noticed this error in my logs…

Feb 11 13:55:35 openplotter signalk-server[495]:     at IncomingMessage.<anonymous> (/home/pi/.signalk/node_modules/@influxdata/influxdb-client/dist/index.js:5:5671)
Feb 11 13:55:35 openplotter signalk-server[495]:     at IncomingMessage.emit (node:events:539:35)
Feb 11 13:55:35 openplotter signalk-server[495]:     at endReadableNT (node:internal/streams/readable:1345:12)
Feb 11 13:55:35 openplotter signalk-server[495]:     at processTicksAndRejections (node:internal/process/task_queues:83:21) {
Feb 11 13:55:35 openplotter signalk-server[495]:   statusCode: 422,
Feb 11 13:55:35 openplotter signalk-server[495]:   statusMessage: 'Unprocessable Entity',
Feb 11 13:55:35 openplotter signalk-server[495]:   body: '{"code":"unprocessable entity","message":"failure writing points to database: partial write: field type conflict: input field \\"value\\" on measurement \\"navigation.courseOverGroundTrue\\" is type float, already exists as type string dropped=4"}',
Feb 11 13:55:35 openplotter signalk-server[495]:   contentType: 'application/json; charset=utf-8',
Feb 11 13:55:35 openplotter signalk-server[495]:   json: {
Feb 11 13:55:35 openplotter signalk-server[495]:     code: 'unprocessable entity',
Feb 11 13:55:35 openplotter signalk-server[495]:     message: 'failure writing points to database: partial write: field type conflict: input field "value" on measurement "navigation.courseOverGroundTrue" is type float, already exists as type string dropped=4'
Feb 11 13:55:35 openplotter signalk-server[495]:   },
Feb 11 13:55:35 openplotter signalk-server[495]:   code: 'unprocessable entity',
Feb 11 13:55:35 openplotter signalk-server[495]:   _retryAfter: 0
Feb 11 13:55:35 openplotter signalk-server[495]: }```



* What Grafana version and what operating system are you using?   9.3.2 on raspberry pi

* **What** are you trying to achieve?

* **How** are you trying to achieve it?

* What happened?
error above

* What did you **expect** to happen?

* Can you copy/paste the configuration(s) that you are having problems with?

* Did you receive any errors in the Grafana UI or in related logs? If so, please tell us **exactly** what they were.

* Did you follow any online instructions? If so, what is the URL?