Help I am having an error with the snowboarding

[GAMER_L]

Whenever I try to press the left arrow an error pops up.

[bixarrio]

It’s because the rb2d you used in Update() is null. You did not set it to anything

In your Start method, you set a local variable to the component. You should be setting the class’ member variable

void Start()
{
    rb2d = GetComponent<Rigidbody2D>();
}