Creo ModelCHECK > checks > RELATION_ERRS (Relation Errors)
  
RELATION_ERRS (Relation Errors)
Y/N/E/W
Checks for errors in the model’s relations and reports the relation lines containing errors.
Suggested Settings:
Inter
Batch
Regen
Save
E
E
E
E
 
* Section relations are not supported in Modelcheck.