I can't also find any way what is iisue as in there twitter page they don't mention the reason ..
Hope for soon update
This comment from @hashflare on Twitter:
HashFlare @hashflare 17 hours ago
@Danial_ib our apologies for the inconveniences caused. We are having intermittent load issues and are working on resolving them right now.
yes i can see it conversation ..
But they have not officially tweeted the issue and resolution time ...And its been 17 hours ..still not solved