Problem whith a while loop

Hi to everyone, this is my first post on this forum. I came from c++ scripting and this is the first time that i use the visual Scripting of Ue4. The problem I have is that when I try to start the project I get an error message that warns me that the while loop is infinite. The logic I used is the same one that I would use for a very banal while loop in c but here it doesn’t seem to work. I thank anyone who can help you understand the error and resolve it. I’m going to leave an image of the code I made. Thank you all