See the offset text plus sign: you can’t print the amount of text in there
Couple ways to handle this
Easiest click on the plus in the overflow flag and draw another text container into which overflow will occur
You can flow text through threading any way you want as you thread together text boxes. You easily layout text to different parts of the page say if you want to include an image on that location of the Artboard.
Can thread the text into any shape