Infinite Warning Message on console + Variable that extremely drops Editor FPS

Development Programming & Scripting
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Hello everyone, I have two problems on my C++/BP Project and they may be related so I talk about both of them. First: I have an infinite warning message on my Rider log, I don’t know where it comes from nor how to solve it.

Here is a video of my problem:

My second problem is about a variable that significantly reduces the fps of the editor, here is another video to show this:

If you want to see my enum, here it is:

EInteractionList
EInteractionList1836×932 118 KB

P.S. Sorry for the French display name + tooltip on this enum.

Does anyone have any idea what these problems are about and how to solve them?
Are they related?

Thanks in advance.