The object on the origin side of the CreatePlatePartRef_GEOM relationship could not be retrieved. Check meta data - Intergraph Smart 3D - Troubleshooting

Intergraph Smart 3D Troubleshooting Reference

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English
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Intergraph Smart 3D
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Troubleshooting
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Troubleshooting
Smart 3D Version
11 (2016)

Meaning: The surface required to define the plate was not provided/found. This could be a surface for a smart plate, or a part or system to which an edge reinforcement plate or lapped plate could be adjacent to its surface. Referenced objects may need to be updated. Possibly, relationships were not properly created between the necessary objects.

Recovery: Verify that the input objects are not on the To Do List and require updating. Report steps that cause this error to your support group.