Cause

You have placed a 3D macro of a fitting in the layout space. The additional length has the value "0" in the connection point pattern of the graphical macro.

Solution

1. Locate the 3D macro in the layout space using the Go to (graphic) function from the popup menu in the Message management dialog.
2. Enter a value that is greater than 0 in the connection point pattern of the 3D macro.
3. Then start a new check run.