cant find any solution of this problem > ..\Arduino\libraries\STM32RTC\src/STM32RTC.h:66:10: error: 'HOUR_AM' was not declared in this scope AM = HOUR_AM, ^~~~~~~ ..\Arduino\libraries\STM32RTC\src/STM32RTC.h:67:10: error: 'HOUR_PM' was not declared in this scope PM = HOUR_PM