not Already Handled isn't working

Hello Coders,

I was making an app where I dynamicaly create a bunch of textboxes, below one top textbox (non-dynamicaly created). And it seems that the not Already Handled part is not working.
Here are the blocs I used :

Can you help me?

Well, because you forgot to use it in your blocks…
Try this

If not already handled
Then do something

See also What is "notAlreadyHandled" for in "Any" blocks? - #5 by TIMAI2 - MIT App Inventor Help - MIT App Inventor Community