there is multple things you have to check, 1) if it exists 2) if it is in the display list of the movieclip you want. check this:
And don’t use names of movie clips to find stuff, that’s AS2 crap 
Reference the movie clip itself.
there is multple things you have to check, 1) if it exists 2) if it is in the display list of the movieclip you want. check this:
And don’t use names of movie clips to find stuff, that’s AS2 crap Reference the movie clip itself.