C:UsersehmouhssineDesktopmy arduino projectssirene_scolairesirene_scolaire.ino: In function 'void setup()':
sirene_scolaire:436:5: error: 'class LiquidCrystal' has no member named 'setBacklightPin'
sirene_scolaire:436:23: error: 'POSITIVE' was not declared in this scope
sirene_scolaire:438:5: error: 'class LiquidCrystal' has no member named 'setBacklightPin'
sirene_scolaire:438:21: error: 'HIGHT' was not declared in this scope
sirene_scolaire:444:13: error: 'class AnalogButtons' has no member named 'addButton'
sirene_scolaire:446:13: error: 'class AnalogButtons' has no member named 'addButton'
sirene_scolaire:448:13: error: 'class AnalogButtons' has no member named 'addButton'
C:UsersehmouhssineDesktopmy arduino projectssirene_scolairesirene_scolaire.ino: In function 'void loop()':
sirene_scolaire:460:13: error: 'class AnalogButtons' has no member named 'checkButtons'
exit status 1
'class LiquidCrystal' has no member named 'setBacklightPin'