I've installed the plugin and it seems to work fine except that when I click on the settings tab in the dashboard I get the following error and can't manage any settings for the plugin:
Internal Server Error
The server encountered an internal error or misconfiguration and was unable to complete your request.
Please contact the server administrator, support@one.com and inform them of the time the error occurred, and anything you might have done that may have caused the error.
More information about this error may be available in the server error log.