I added this line to my code and followed along exactly as the lecture, but now I am getting errors. Below is a clip of the code, and a screen shot of the error messages.
switch (collision.gameObject.tag)
{
case "friendly":
// friendly = do nothing to rocket
break;
case "Finish":
state = State.Transcending;
audioSource.Stop();
audioSource.PlayOneShot(success);
Invoke("LoadNextLevel", 1f);
break;
default:
state = State.Dying;
audio.Source.Stop(); //stops thrust sound
audioSource.PlayOneShot(death);
Invoke("LoadFirstLevel", 1f);
break;
}