Meaning: Failed in retrieving the surface geometry of the plate system to which the lapped plate system is to be lapped. For example:
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A non-planar lapped-to surface may not be acceptable.
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The plate being lapped may be on the To Do List and require updating.
Recovery:
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Update the lapped-to plate if it is on the To Do List.
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If the lapped-to surface is a hull or a revolved plate, correct the lapped-to plate system to create an acceptable surface for lapping. This may require adding seams and splitting the plate into smaller surfaces.
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If the problem persists, report steps taken to your support group.