Damage Feedback Problem

Hello, guys!

I try to reconstruct this shooter tutorial from Andrzej Koloska works fine so far, but in the section where he made the damage feedback. first i have a normal enemy the TPS, everything works good, only i have change another enemy like great spider from free assets on the marketplace and did the same reconstruct at the new enemy, but now from damage feedback floating text,
still getting zeros nothing calculating.
Don’t know what i am did wrong, thought i miss something.
Here some pictures and a demonstrating video:
Hope anyone can help me out.