VSCode on Mac produce IntelliSense Errors due to missing include

i got the solution right here :

GameDev.tv – 24 Mar 21

#include errors detected in VS Studio Code

Could you try down grading to the latest stable release? 1.2.2? You can do that via this menu

its a very simple problem and you can fix it by simply down grading version of the C/C++ extension to 1.2.2