welcome, maybe try using the pathfinding behavior or maybe check out this tutorial: Create Enemy AI For Your Game - With GDevelop - YouTube
Using the NewPanelSprite2 center point X or Y condition is all about changing the rotation point of an object, is that what you want to do or are you looking to detect the X and Y axis position of NewPanelSprite2? If it is the second, you must use the X and Y position conditions of the object.
try using the pathfinding behaviour and making it move to the player