Meaning: Could not retrieve the required geometry of the plate system. In addition, the software cannot determine if the lapped plate laps this system. The chosen plate might be on the To Do List or has a geometry that does not touch the system being processed.
Verify that the plate is not on the To Do List.
Correct the plate system to which the new plate is being lapped.
If unsuccessful, report steps that cause this error to your support group.