The .dgn file being imported contains some invalid geometries. These are ignored during the import operation. Correct the .dgn file to view all geometries. - 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: Some of the geometry defined in the .dgn file is not valid. Smart 3D displays the valid geometry, but ignores the invalid geometry.

Recovery: Edit the .dgn file to correct the invalid geometry.