Different behavior for 2 identical dynamic components

SketchUp Dynamic Components
1

FeedWorkVertRollers01-Upload.skp (1.4 MB)
See attachment: the second roller is an exact copy from the first roller.
The behaviour of the first roller is as we wish. The second roller doesn’t multiply herself as the first roller.
How comes?

Sketchup%20dynamic%20components%2001
Sketchup%20dynamic%20components%20011918×1048 284 KB
Sketchup%20dynamic%20components%2002
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Sketchup%20dynamic%20components%2003
Sketchup%20dynamic%20components%20031918×1048 283 KB
Sketchup%20dynamic%20components%2005
Sketchup%20dynamic%20components%20051918×1048 279 KB
Sketchup%20dynamic%20components%2006
Sketchup%20dynamic%20components%20061918×1048 280 KB

2

There is no attachment, use the upload sign image