Goo::Base::AttributeNotLoaded: Attribute children is not loaded for http://purl.bioontology.org/ontology/MEDLINEPLUS/C0039980

[alexskr]

api call /ontologies/MEDLINEPLUS/classes/http%3A%2F%2Fpurl.bioontology.org%2Fontology%2FMEDLINEPLUS%2FC0039980/tree
and others result in 500 error

Stack Trace

Goo::Base::AttributeNotLoaded: Attribute `children` is not loaded for http://purl.bioontology.org/ontology/MEDLINEPLUS/http://purl.bioontology.org/ontology/MEDLINEPLUS/C0039980. Loaded attributes: #<Set: {:submission}>.
…eases/20220811020542/controllers/classes_controller.rb:  133:in `block(2 levels) in <class
<truncated 71 additional frames>
/srv/ncbo/ontologies_api/shared/bundle/ruby/2.7.0/bin/unicorn:23:in `load'
/srv/ncbo/ontologies_api/shared/bundle/ruby/2.7.0/bin/unicorn:23:in `<top (required)>'
/usr/local/rbenv/versions/2.7.6/bin/bundle:23:in `load'
/usr/local/rbenv/versions/2.7.6/bin/bundle:23:in `<main>'