The following DataNodes have no identifier: 15
More details at https://www.wikipathways.org/WikiPathwaysCurator/DataNodesTests/dataNodesWithoutIdentifier
The following genes with an identifier have been found but that do not have a mapping to Ensembl: 4
http://classic.wikipathways.org/instance/WP1376_r117985 crebbpb with datasource Entrez Gene
http://classic.wikipathways.org/instance/WP1376_r117985 LOC563639 with datasource Entrez Gene
http://classic.wikipathways.org/instance/WP1376_r117985 LOC792354 with datasource Entrez Gene
http://classic.wikipathways.org/instance/WP1376_r117985 LOC566983 with datasource Entrez Gene
More details at https://www.wikipathways.org/WikiPathwaysCurator/GeneTests/genesWithoutEnsemblMapping