I'm stuck with Error Messages, and I don't know how to solve this?

Hello, I’m tottally amature and just doing my first steps.
I’m stuck on this errors, and don’t know how to solve them.

This blueprint would be my Health and Mana bar, for my character:

And here, i cast it to the viewport:

It is working if i “get damage” or “healing” or i spend/regenerate “mana”, but when it initializes, it does not work properly:
image
The 25 / 100 is pre declared into the “TEXT” also the 50%.

I get the following errors:

Do you have any kind of suggestions?

I tried some of the suggestions, from this video, but it caused more problem, and it not solved anything:

I set 1 Tick delay on the first picture after the Event begin play. Sorry to bother you guys. It is running good right now.

This topic was automatically closed 30 days after the last reply. New replies are no longer allowed.