Variable can't be set?

I need help.
On the image below, I try to get a variable stock in game mode blueprint, then set a variable in widget BP.
But variable in this BP seems to be “none”. The variable from game is actually correct.

I really don’t understand what is happen, because, I use the same methode for another sequence, with no issue :

Somebody can help me ?

Agreed, printing values is often more reliable :expressionless: I can swear things go out of scope for no reason at all whatsoever.

Thanks. I deleted and re-done everything. And that’s works. I think
That were a bug…

You can’t always rely on the debugger, I often find it doesn’t know the value of something. Try a print or IsValid to see what’s going on…