I use the excellent LCD menu library https://github.com/Jomelo/LCDMenuLib/releases . With this new hourly version , the compiler don't understand this type of write! ``` //LCD includes # include <Wire.h> # include <LiquidCrystal_I2C.h> but only //LCD includes #include <Wire.h> #include <LiquidCrystal_I2C.h> ``` I don't know if this is an issue ?