Look at the date stamp on the transaction in their block explorer.
TxId: 5a15cea123c1d72a34eec357515a077827a371a5af041c9aefa3cd754b61f9e6
Confirmations: 0
Time: 1/1/1970 12:00:00 AM
Blocktime: 1/1/1970 12:00:00 AM
https://www.cryptopia.co.nz/BlockExplorer?coin=66&txid=5a15cea123c1d72a34eec357515a077827a371a5af041c9aefa3cd754b61f9e6
thats cryptopia's block explorer at its finest, node is fine.
your coins are still safe.
open your wallet,
go to console
enter (without quotes) 'dumpprivkey 1MNv4VRxU8rpcK5jsdn9rDbrtAKDNjpWx1'
copy the big string it displays into notepad
close wallet
goto start > run > enter '%appdata%' (without quotes)
open the folder for 66
rename wallet.dat to wallet.dat1
open your wallet again,
go to console
enter (without quotes) 'importprivkey ' (without quotes or signs)
when sending to cryptopia, limit your sends to 0.05
feel free to flick some to 1Q9Cqm39Ancfr2ncCKt2agA5YTSomUp4gx