They were under maintenance yesterday the entire day, so I guess they haven't maintained it very well since there are about 10 threads about problems with blockchain.info today.
You need to contact them. I am sure they will sort it out sooner than later but their wallet is going to work about few days and then it will start malfunctioning again.
You need to change your wallet and forget about blockchain.info, the wallet and block explorer.
This has probably been answered many times before but what other wallet do you recommend? I've been using block chain for a few years and have never had major problems with it until recently.
I would recommend Multibit or Electrum for desktop, Trezor as a hardware wallet if you have enough coins to justify investing into one since its price is pretty steep, around $120. I am also using mycelium for Android but only for small amounts as phone wallet should be used with.
Electrum or Multibit are lite weight wallets that are easy to run (you don't need to download whole blockchain), are very secure and very easily backed up and secured.
