Thank you. I have updated electrum to latest version. I have select "Increase fee" and this window appears, could you help me?
Help you how exactly?
I see you have Replace by Fee enabled and if you followed the guide and you want to pay higher fees now, you can do it manually using some transaction fee calculators and entering number of inputs and outputs.
Jameson Lopp website,
Bitcoin Ops or
ByBitcoinWorldwide.
For your 234 bytes that should be around 87 Sat/Byte fee currently if you want fast confirmation.