C++ Problems

I’m having problem with a c++17 and I’m not very good at programming so any help would be nice

Do you have a specific problem or are you looking for good resources to learn c++?

I have a specific problem.

Firstly it looks like you are using robotC (am I right because you mark the question as Vex coding studio). Also Yellow exclamation mark looks like it is a warning (not sure) and would not cause any errors. Then in the if statement you are missing a ) it should be…

if(vexRT[Btn6U == 1])

Also next time please put all the information in the thread and explain your issue well.

ROBOTC syntax in VCS is not supported.
that is, you cannot use motor[] and vexRT[], there is a new API.
http://help.vexcodingstudio.com