Re: [ANN][KARM] Karmacoin - Most Profitable - 5 Exchanges - Mandatory Wallet Update
Just purge it. I ran into this error too 
Back up your wallet beforehand. I actually didn't have to back up my wallet.
Back up your wallet beforehand. I actually didn't have to back up my wallet.... but it's highly recommended you do
in fact, make 2 backups just to be sure