Arduino for STM32

Tools settings Board = "Generic STM32H7 Series Board Part Number = Generic H747IITx Sketch is void setup() { // put your setup code here, to run once: } void loop() { // put your main code here, to run repeatedly: } Error is C:\Users\chrgul\AppData\Local\Arduino15\packages\STMicroelectronics\ha...

Hello,
In the arduino IDE how do I define the core for the stm32H747 series. I am getting this error message.
#error Please #define CORE_CM4 or CORE_CM7.

Thank you