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ActiveRecord::ConfigurationError: Can't join 'Collection' to association named 'media_file'; perhaps you misspelled it?
/home/madek/.asdf/installs/ruby/3.1.4/lib/ruby/gems/3.1.0/gems/activerecord-6.1.7.7/lib/active_record/associations/join_dependency.rb:221:in `find_reflection'
/home/madek/.asdf/installs/ruby/3.1.4/lib/ruby/gems/3.1.0/gems/activerecord-6.1.7.7/lib/active_record/associations/join_dependency.rb:226:in `block in build'
/home/madek/.asdf/installs/ruby/3.1.4/lib/ruby/gems/3.1.0/gems/activerecord-6.1.7.7/lib/active_record/associations/join_dependency.rb:225:in `each'