TimeHour function not defined ??? on macbook pro How to fix

 

TimeHour function not defined ???

how to fix it ?  Help me guys on macbook pro

 
Documentation on MQL5: Constants, Enumerations and Structures / Data Structures / Date Type Structure
Documentation on MQL5: Constants, Enumerations and Structures / Data Structures / Date Type Structure
  • www.mql5.com
Constants, Enumerations and Structures / Data Structures / Date Type Structure - Reference on algorithmic/automated trading language for MetaTrader 5