They temporarily closed the site for further investigation so no one could access the site.
I am asking because cryptopia will resume service tomorrow
That's good news and I found their twitter announcement that they will re-open the site as read-only as they recover 24% of all wallets.
https://twitter.com/Cryptopia_NZ/status/1100964778116210690
Even though I don't still recommend to trade again in this exchange I feel that this is an inside job and now they are planning to be alive again.