Microsoft SQL Server plugin is failing on existing and new dashbaords

As of last night, all widgets on my grafana dashboard are failing and it shows the error message:

SeatSpy plugin failed
Error: Could not load plugin: Error: 404 , loading Grafana (SystemJS Error#7 systemjs/docs/errors.md at main · systemjs/systemjs · GitHub)

No changes were made to the dashboard or the SQL database that the data comes from. When trying to create a new dashboard and a new Microsoft SQL Server data source it shows this same error message.

  • What Grafana version and what operating system are you using?

    • Using Grafana Cloud
  • What are you trying to achieve?

    • get a dashboard that has worked for months to work again
  • How are you trying to achieve it?

  • asking this question

  • What happened?

    • no changes to dashboard or SQL Server database, the grafana dashboard started reporting this error
  • 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?

At the risk of stating the obvious, a 404 error when trying to access a Microsoft SQL datasource in Grafana typically means that Grafana Cloud cannot find the SQL Server.

Forgetting about dashboards for a minute…If you go into datasource and examine your connection settings and click test, is there any error message displayed?

Well, with no changes at all from me, all of the widgets on the dashboard are working again now. I didn’t even edit anything and save a widget or save a new version of the dashboard, but, all is now working as before.

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