tx is: 2e3788fc45920b848b6639b78a0fecd17255643764ddfa6e74341ef7245b6343 for anyone who wants to check it out.
That transaction does not exist on the bitcoin network as far as I can tell.
It appears that your wallet is not broadcasting the transactions that it builds.
Are you sure it is online and connected to peers? Are you sure it is caught up with blockchain synchronization?
If so, something seems broken in your wallet, it doesn't seem to be able to broadcast transactions anymore.
I'm curious, if you run:
in the console, do you get the same error as last time?