New writer having issues

hi, I am brand new to episode writing. I have been figuring things out by using the tutorials but now I cant seem to figure out what is happening. when I changed scenes a new character came into my story. the dialog is showing but the character it now am I doing something wrong??

Since your a beginner, you should use beginner spotting tips!

Try this
@ALICE stands screen left in zone 1

(You could use screen center, screen right, upscreen left, upscreen center, upscreen right!)