Printing layer skip

Vertex 3D Printer Vertex - Issues while printing
1

Hey I’m having a issue where it keeps skipping a layer every time it start with the cleaning tower on the side.

imgur.com/7oqXKol
imgur.com/n3ZuRyK

youtu.be/awEFSTQwVsE

2

Are all your rods alligned properly and well lubricated?