K1 max bulge on bed mesh

As you can see my K1 Max has a huge bulge on the side of the bed mesh, I personally don't think it's the bed but the gantry or something, do you guys have any idea and or advice of what I can do?

As you can see my K1 Max has a huge bulge on the side of the bed mesh, I personally don't think it's the bed but the gantry or something, do you guys have any idea and or advice of what I can do?