Your server had a problem connecting to WPMU DEV: "cURL error 28: Resolving timed out after 10519 milliseconds". Please try again.
If this problem continues, please contact your host with this error message and ask:
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"Is php on my server properly configured to be able to contact https://premium.wpmudev.org/api/dashboard/v2/ with a POST HTTP request via fsockopen or CURL?"