more the one relation cvterm returned for part_of:
terms: BFO:0000050 and BFO:0000050
Failed to load line 161: {UNKNOWN}: problem with date format of "2018051", should be ISO ie. YYYY-MM-DD at /local-homes/pbuild/git/pombase-chado/lib/PomBase/Role/FeatureCvtermCreator.pm line 129. at /local-homes/pbuild/git/pombase-chado/lib/PomBase/Import/PhenotypeAnnotation.pm line 343