trouble with a ender 3v2 leveling bed with bl touch
I have a lot of troubles with leveling my bed. I use the bl touch sensor so i updated my firmware and i did every step of the instuction movie (https://www.youtube.com/watch?v=lI9ISEPPX0w). If i run a gcode for controlling my bed then the outside layer is good but the layers around the middle of the bed come loose.
Can someone help me with this problem?