The following DataNodes have no identifier: 9
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: 3
http://classic.wikipathways.org/instance/WP4300_r129338 mir-29b2 with datasource HGNC Accession number
http://classic.wikipathways.org/instance/WP4300_r129338 mir-29b1 with datasource HGNC Accession number
http://classic.wikipathways.org/instance/WP4300_r129338 mir21-3p with datasource HGNC Accession number
More details at https://www.wikipathways.org/WikiPathwaysCurator/GeneTests/genesWithoutEnsemblMapping