I wonder if the issue is the result of having two sets of OpenEVSE inputs, one from the HTTP route and another from the MQTT route (assuming thats the case, as I’ve suggested here Device Error, I cannot edit inputs. Bit of a show stopper HELP! - #35 by TrystanLea).
If you can reduce it to the one set of inputs, hopefully that will sort it and if not we can proceed from there.
Im not sure about the tablet error that seems seperate