[solve]quel librairie pour lcd l2c

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fandz:
j'ai ce message d'erreur a la compilation

In file included from test_lcd.cpp:2:0:

/usr/share/arduino/libraries/LiquidCrystal_I2C/LiquidCrystal_I2C.h:81:16: error: conflicting return type specified for ‘virtual void LiquidCrystal_I2C::write(uint8_t)’
/usr/share/arduino/hardware/arduino/cores/arduino/Print.h:48:20: error:   overriding ‘virtual size_t Print::write(uint8_t)’
test_lcd.cpp: In function ‘void loop()’:
test_lcd.cpp:28:28: error: ‘BYTE’ was not declared in this scope

probleme de version d'IDE/lib ?