@geoffers

Not uncommon with those old L&G beasts. They also record solar export as import!! I'm pretty sure the problem has come up before with Next Drive and those L&G meters.
Don't shoot me, I'm only the piano player. I DON'T work for or on behalf of EON.Next, but am willing to try and help if I can. Not on mains gas, mobile network or mains drainage. House heated almost entirely by baby dragons.