Unparsed triples error

[patrick-lloyd-ray]

I ran update-imports in an ontology that imports PCL and received the following:

ERROR Input ontology contains 558 triple(s) that could not be parsed: <http://purl.obolibrary.org/obo/pcl/CS1908210037> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> _:genid-nodeid-node1glt1i55qx56661. <http://purl.obolibrary.org/obo/pcl/CS202002013_20> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> _:genid-nodeid-node1glt1i55qx5535. <http://purl.obolibrary.org/obo/pcl/CS201912131_64> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> _:genid-nodeid-node1glt1i55qx26702. <http://purl.obolibrary.org/obo/pcl/CS202002013_7> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> _:genid-nodeid-node1glt1i55qx19411. <http://purl.obolibrary.org/obo/pcl/CS201912132_31> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> _:genid-nodeid-node1glt1i55qx25634. <http://purl.obolibrary.org/obo/pcl/CS202002013_97> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> _:genid-nodeid-node1glt1i55qx57968.

etc.

This doesn't interfere with anything (it's throwing an ERROR, but I think I can change that setting). I see discussion of this here (ontodev/robot#829) and here (owlcs/owlapi#1023) as well and wanted to flag just in case something unexpected is occurring in PCL. Feel free to close if this is expected or known and unproblematic behavior.