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      "Invalid certificate file" error when browsing empty Azure Container Registry

      Affected versions: 2.13.0 to 2.17.1

      Fixed in: 2.18.1 and above

      Issue Description

      Users are unable to browse the Azure Container Registry. The following error will appear:

      Invalid certificate file. Ensure that the file is uploaded correctly

      Cause

      This issue is the result attempting to browse an empty Azure Container Registry.

      Fix

      Upgrade Portainer to 2.18.1 or above.

      Workaround

      Users will need to manually create create a repository in the Azure Container Registry and while logged in with the Access Key in Portainer, push an image. Users can then navigate back to the Registry and browse.