@jasxvii Have a vague memory of coming across this error and found it linked to the library MyConfig being called, but as I went with a different sketch for that particular project did not investigate further. @mfalkvidd has considerably greater insight on the sequence of library calls, perhaps posting the sketch might help.

I have tried Domoticz, Mozilla WebThings and Home Assistant. So far the best is Home Assistant, it has many integrations and a nice UI. If you want to be able to access it outsite your network I recommend ZeroTier (had many issues trying thru the router).

@mfalkvidd Thank you the components just delivered some parts are still on delivery but i wanna ask the gateway thing on the smart plug i wish you can help me find a link where i can access it