Jupyter not opening - Service unavailable

Dear Team,

Getting the below error with Jupyter and not able to use the service. Pls help resolving this.

Thanks

503 : Service Unavailable

Your server appears to be down. Try restarting it from the hub

Please go through the below link to check if you have exceeded your disk space quota:

If that does not work, please send us an email at reachus@cloudxlab.com with a screenshot.