loddenp, since there is no extra info about error (just exclamation mark), it is possible that the error has some connection with TrustedCoin 2FA service which hold one key for signing up a transaction. Personally I have never used 2FA in Electrum, so this is just an assumption.
The way to check if the problem is in 2FA is to try disable it. To do that you will need your seed, and then choose the option File - > New Wallet - > Wallet with two-factor authentication - > I already have a seed -> Type your seed words -> Disable. After this you can try to spend coins from this wallet.
thanks, fixed, don't know why 2fa didn't work though