Fail to write construction script...from this tutorial

Hi guys, I’m having a problem imitating this procedural spline tutorial

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This is the module I’m going to use…Its pivot is at the bottom left corner

As you can see…At Point 0, there is only a fracture of the module…
And at point 5 (last point), it spawns lots of modules and almost set the end of each module wildly along the spline…
I think I’m following his blueprint quite close (except I’m in Unreal Tournament, but I think the result would be same…)