Creo ModelCHECK > checks > LAYER_EXT_ITEMS (Extra Features on Layers)
  
LAYER_EXT_ITEMS (Extra Features on Layers)
Y/N/E/W
Lists the layers containing features that do not belong to a given layer. For example, if a layer is designated as the datum plane layer and it contains features other than the datum planes, it is listed.
The extra features can be removed from the layers.
Suggested Settings:
Inter
Batch
Regen
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