Sent, waiting for the network
You see: Sent. The network is slow to accept it right now, and your wallet will keep trying on its own. Don't pay again: check your History in a few minutes.
What it means
Section titled “What it means”Your payment is signed and queued. The service that passes it to miners hasn’t confirmed it yet. Your wallet retries every few minutes.
What to do
Section titled “What to do”Don’t pay again. Check History later. If the network never takes it, the wallet eventually cancels it and returns the money to your balance.