ArgumentError: parent was not preloaded
Created by @reprazent.
This happens when searching on the explore/groups page or filtering child groups on a group page.
Introduced in https://gitlab.com/gitlab-org/gitlab-ce/merge_requests/14055
https://sentry.gitlap.com/gitlab/gitlabcom/issues/110278/
ArgumentError: parent was not preloaded
app/models/concerns/group_descendant.rb:40:in `expand_hierarchy_for_child'
raise ArgumentError.new('parent was not preloaded')
app/models/concerns/group_descendant.rb:9:in `hierarchy'
expand_hierarchy_for_child(self, self, hierarchy_top, preloaded)
app/models/concerns/group_descendant.rb:27:in `block in build_hierarchy'
descendant.hierarchy(hierarchy_top, descendants)
app/models/concerns/group_descendant.rb:26:in `map'
all_hierarchies = descendants.map do |descendant|
app/models/concerns/group_descendant.rb:26:in `build_hierarchy'
all_hierarchies = descendants.map do |descendant|
...
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ArgumentError: parent was not preloaded
Edited by Bob Van Landuyt