• Object#block in irb_binding (irb):3
  • Student#__temp__7656e6465627= $GemPath0/gems/activerecord-5.0.4/lib/active_record/attribute_methods/write.rb:18
    • Student#write_attribute $GemPath0/gems/activerecord-5.0.4/lib/active_record/attribute_methods/write.rb:31
      • Student#write_attribute_with_type_cast $GemPath0/gems/activerecord-5.0.4/lib/active_record/attribute_methods/write.rb:45
        • String#to_s $GemPath0/gems/activerecord-5.0.4/lib/active_record/attribute_methods/write.rb:46
        • ActiveRecord::AttributeSet#write_from_user $GemPath0/gems/activerecord-5.0.4/lib/active_record/attribute_set.rb:52
          • ActiveRecord::AttributeSet#[] $GemPath0/gems/activerecord-5.0.4/lib/active_record/attribute_set.rb:11
            • ActiveRecord::LazyAttributeHash#[] $GemPath0/gems/activerecord-5.0.4/lib/active_record/attribute_set/builder.rb:41
          • ActiveRecord::Attribute::FromDatabase#with_value_from_user $GemPath0/gems/activerecord-5.0.4/lib/active_record/attribute.rb:66
            • ActiveRecord::Enum::EnumType#assert_valid_value $GemPath0/gems/activerecord-5.0.4/lib/active_record/enum.rb:137
              • String#blank? $GemPath0/gems/activesupport-5.0.4/lib/active_support/core_ext/object/blank.rb:114
                • Regexp#=== $GemPath0/gems/activesupport-5.0.4/lib/active_support/core_ext/object/blank.rb:118
              • ActiveSupport::HashWithIndifferentAccess#key? $GemPath0/gems/activesupport-5.0.4/lib/active_support/hash_with_indifferent_access.rb:162
                • ActiveSupport::HashWithIndifferentAccess#convert_key $GemPath0/gems/activesupport-5.0.4/lib/active_support/hash_with_indifferent_access.rb:298
                  • Kernel#kind_of? $GemPath0/gems/activesupport-5.0.4/lib/active_support/hash_with_indifferent_access.rb:299
                • Hash#key? $GemPath0/gems/activesupport-5.0.4/lib/active_support/hash_with_indifferent_access.rb:163
              • Hash#has_value? $GemPath0/gems/activerecord-5.0.4/lib/active_record/enum.rb:138
                • Integer#== $GemPath0/gems/activerecord-5.0.4/lib/active_record/enum.rb:138
                  • String#== $GemPath0/gems/activerecord-5.0.4/lib/active_record/enum.rb:138
                • Integer#== $GemPath0/gems/activerecord-5.0.4/lib/active_record/enum.rb:138
                  • String#== $GemPath0/gems/activerecord-5.0.4/lib/active_record/enum.rb:138
              • Symbol#to_s $GemPath0/gems/activerecord-5.0.4/lib/active_record/enum.rb:139
              • ActiveRecord::Enum::EnumType#raise -> block (2 levels) in shush_backtraces $GemPath0/gems/spring-2.0.2/lib/spring/application.rb:285
                • ActiveRecord::Enum::EnumType#block (2 levels) in shush_backtraces $GemPath0/gems/spring-2.0.2/lib/spring/application.rb:285
                  • Method#call $GemPath0/gems/spring-2.0.2/lib/spring/application.rb:287
                    • #<Class:Kernel>#raise $GemPath0/gems/spring-2.0.2/lib/spring/application.rb:287
                      • #<Class:Exception>#exception $GemPath0/gems/spring-2.0.2/lib/spring/application.rb:287
                        • Exception#initialize $GemPath0/gems/spring-2.0.2/lib/spring/application.rb:287
                    • Exception#backtrace $GemPath0/gems/spring-2.0.2/lib/spring/application.rb:287
                  • #<Class:File>#expand_path $GemPath0/gems/spring-2.0.2/lib/spring/application.rb:290
                  • Exception#backtrace $GemPath0/gems/spring-2.0.2/lib/spring/application.rb:291
                  • Array#reject! $GemPath0/gems/spring-2.0.2/lib/spring/application.rb:291
                    • ActiveRecord::Enum::EnumType#block (3 levels) in shush_backtraces $GemPath0/gems/spring-2.0.2/lib/spring/application.rb:291
                      • String#start_with? $GemPath0/gems/spring-2.0.2/lib/spring/application.rb:291
                    • ActiveRecord::Enum::EnumType#block (3 levels) in shush_backtraces $GemPath0/gems/spring-2.0.2/lib/spring/application.rb:291
                      • String#start_with? $GemPath0/gems/spring-2.0.2/lib/spring/application.rb:291
                    • ActiveRecord::Enum::EnumType#block (3 levels) in shush_backtraces $GemPath0/gems/spring-2.0.2/lib/spring/application.rb:291
                      • String#start_with? $GemPath0/gems/spring-2.0.2/lib/spring/application.rb:291
                    • ActiveRecord::Enum::EnumType#block (3 levels) in shush_backtraces $GemPath0/gems/spring-2.0.2/lib/spring/application.rb:291
                      • String#start_with? $GemPath0/gems/spring-2.0.2/lib/spring/application.rb:291
                    • ActiveRecord::Enum::EnumType#block (3 levels) in shush_backtraces $GemPath0/gems/spring-2.0.2/lib/spring/application.rb:291
                      • String#start_with? $GemPath0/gems/spring-2.0.2/lib/spring/application.rb:291
                    • ActiveRecord::Enum::EnumType#block (3 levels) in shush_backtraces $GemPath0/gems/spring-2.0.2/lib/spring/application.rb:291
                      • String#start_with? $GemPath0/gems/spring-2.0.2/lib/spring/application.rb:291
                    • ActiveRecord::Enum::EnumType#block (3 levels) in shush_backtraces $GemPath0/gems/spring-2.0.2/lib/spring/application.rb:291
                      • String#start_with? $GemPath0/gems/spring-2.0.2/lib/spring/application.rb:291
                    • ActiveRecord::Enum::EnumType#block (3 levels) in shush_backtraces $GemPath0/gems/spring-2.0.2/lib/spring/application.rb:291
                      • String#start_with? $GemPath0/gems/spring-2.0.2/lib/spring/application.rb:291
                    • ActiveRecord::Enum::EnumType#block (3 levels) in shush_backtraces $GemPath0/gems/spring-2.0.2/lib/spring/application.rb:291
                      • String#start_with? $GemPath0/gems/spring-2.0.2/lib/spring/application.rb:291
                    • ActiveRecord::Enum::EnumType#block (3 levels) in shush_backtraces $GemPath0/gems/spring-2.0.2/lib/spring/application.rb:291
                      • String#start_with? $GemPath0/gems/spring-2.0.2/lib/spring/application.rb:291
                    • ActiveRecord::Enum::EnumType#block (3 levels) in shush_backtraces $GemPath0/gems/spring-2.0.2/lib/spring/application.rb:291
                      • String#start_with? $GemPath0/gems/spring-2.0.2/lib/spring/application.rb:291
                    • ActiveRecord::Enum::EnumType#block (3 levels) in shush_backtraces $GemPath0/gems/spring-2.0.2/lib/spring/application.rb:291
                      • String#start_with? $GemPath0/gems/spring-2.0.2/lib/spring/application.rb:291
                    • ActiveRecord::Enum::EnumType#block (3 levels) in shush_backtraces $GemPath0/gems/spring-2.0.2/lib/spring/application.rb:291
                      • String#start_with? $GemPath0/gems/spring-2.0.2/lib/spring/application.rb:291
                    • ActiveRecord::Enum::EnumType#block (3 levels) in shush_backtraces $GemPath0/gems/spring-2.0.2/lib/spring/application.rb:291
                      • String#start_with? $GemPath0/gems/spring-2.0.2/lib/spring/application.rb:291
                    • ActiveRecord::Enum::EnumType#block (3 levels) in shush_backtraces $GemPath0/gems/spring-2.0.2/lib/spring/application.rb:291
                      • String#start_with? $GemPath0/gems/spring-2.0.2/lib/spring/application.rb:291
                    • ActiveRecord::Enum::EnumType#block (3 levels) in shush_backtraces $GemPath0/gems/spring-2.0.2/lib/spring/application.rb:291
                      • String#start_with? $GemPath0/gems/spring-2.0.2/lib/spring/application.rb:291
                    • ActiveRecord::Enum::EnumType#block (3 levels) in shush_backtraces $GemPath0/gems/spring-2.0.2/lib/spring/application.rb:291
                      • String#start_with? $GemPath0/gems/spring-2.0.2/lib/spring/application.rb:291
                    • ActiveRecord::Enum::EnumType#block (3 levels) in shush_backtraces $GemPath0/gems/spring-2.0.2/lib/spring/application.rb:291
                      • String#start_with? $GemPath0/gems/spring-2.0.2/lib/spring/application.rb:291
                    • ActiveRecord::Enum::EnumType#block (3 levels) in shush_backtraces $GemPath0/gems/spring-2.0.2/lib/spring/application.rb:291
                      • String#start_with? $GemPath0/gems/spring-2.0.2/lib/spring/application.rb:291
                    • ActiveRecord::Enum::EnumType#block (3 levels) in shush_backtraces $GemPath0/gems/spring-2.0.2/lib/spring/application.rb:291
                      • String#start_with? $GemPath0/gems/spring-2.0.2/lib/spring/application.rb:291
                    • ActiveRecord::Enum::EnumType#block (3 levels) in shush_backtraces $GemPath0/gems/spring-2.0.2/lib/spring/application.rb:291
                      • String#start_with? $GemPath0/gems/spring-2.0.2/lib/spring/application.rb:291
                    • ActiveRecord::Enum::EnumType#block (3 levels) in shush_backtraces $GemPath0/gems/spring-2.0.2/lib/spring/application.rb:291
                      • String#start_with? $GemPath0/gems/spring-2.0.2/lib/spring/application.rb:291
                    • ActiveRecord::Enum::EnumType#block (3 levels) in shush_backtraces $GemPath0/gems/spring-2.0.2/lib/spring/application.rb:291
                      • String#start_with? $GemPath0/gems/spring-2.0.2/lib/spring/application.rb:291
                    • ActiveRecord::Enum::EnumType#block (3 levels) in shush_backtraces $GemPath0/gems/spring-2.0.2/lib/spring/application.rb:291
                      • String#start_with? $GemPath0/gems/spring-2.0.2/lib/spring/application.rb:291
                    • ActiveRecord::Enum::EnumType#block (3 levels) in shush_backtraces $GemPath0/gems/spring-2.0.2/lib/spring/application.rb:291
                      • String#start_with? $GemPath0/gems/spring-2.0.2/lib/spring/application.rb:291
                    • ActiveRecord::Enum::EnumType#block (3 levels) in shush_backtraces $GemPath0/gems/spring-2.0.2/lib/spring/application.rb:291
                      • String#start_with? $GemPath0/gems/spring-2.0.2/lib/spring/application.rb:291
                    • ActiveRecord::Enum::EnumType#block (3 levels) in shush_backtraces $GemPath0/gems/spring-2.0.2/lib/spring/application.rb:291
                      • String#start_with? $GemPath0/gems/spring-2.0.2/lib/spring/application.rb:291
                    • ActiveRecord::Enum::EnumType#block (3 levels) in shush_backtraces $GemPath0/gems/spring-2.0.2/lib/spring/application.rb:291
                      • String#start_with? $GemPath0/gems/spring-2.0.2/lib/spring/application.rb:291
                    • ActiveRecord::Enum::EnumType#block (3 levels) in shush_backtraces $GemPath0/gems/spring-2.0.2/lib/spring/application.rb:291
                      • String#start_with? $GemPath0/gems/spring-2.0.2/lib/spring/application.rb:291
                    • ActiveRecord::Enum::EnumType#block (3 levels) in shush_backtraces $GemPath0/gems/spring-2.0.2/lib/spring/application.rb:291
                      • String#start_with? $GemPath0/gems/spring-2.0.2/lib/spring/application.rb:291
                    • ActiveRecord::Enum::EnumType#block (3 levels) in shush_backtraces $GemPath0/gems/spring-2.0.2/lib/spring/application.rb:291
                      • String#start_with? $GemPath0/gems/spring-2.0.2/lib/spring/application.rb:291
                    • ActiveRecord::Enum::EnumType#block (3 levels) in shush_backtraces $GemPath0/gems/spring-2.0.2/lib/spring/application.rb:291
                      • String#start_with? $GemPath0/gems/spring-2.0.2/lib/spring/application.rb:291
                    • ActiveRecord::Enum::EnumType#block (3 levels) in shush_backtraces $GemPath0/gems/spring-2.0.2/lib/spring/application.rb:291
                      • String#start_with? $GemPath0/gems/spring-2.0.2/lib/spring/application.rb:291
                    • ActiveRecord::Enum::EnumType#block (3 levels) in shush_backtraces $GemPath0/gems/spring-2.0.2/lib/spring/application.rb:291
                      • String#start_with? $GemPath0/gems/spring-2.0.2/lib/spring/application.rb:291
                    • ActiveRecord::Enum::EnumType#block (3 levels) in shush_backtraces $GemPath0/gems/spring-2.0.2/lib/spring/application.rb:291
                      • String#start_with? $GemPath0/gems/spring-2.0.2/lib/spring/application.rb:291
                    • ActiveRecord::Enum::EnumType#block (3 levels) in shush_backtraces $GemPath0/gems/spring-2.0.2/lib/spring/application.rb:291
                      • String#start_with? $GemPath0/gems/spring-2.0.2/lib/spring/application.rb:291
                    • ActiveRecord::Enum::EnumType#block (3 levels) in shush_backtraces $GemPath0/gems/spring-2.0.2/lib/spring/application.rb:291
                      • String#start_with? $GemPath0/gems/spring-2.0.2/lib/spring/application.rb:291
                    • ActiveRecord::Enum::EnumType#block (3 levels) in shush_backtraces $GemPath0/gems/spring-2.0.2/lib/spring/application.rb:291
                      • String#start_with? $GemPath0/gems/spring-2.0.2/lib/spring/application.rb:291
                    • ActiveRecord::Enum::EnumType#block (3 levels) in shush_backtraces $GemPath0/gems/spring-2.0.2/lib/spring/application.rb:291
                      • String#start_with? $GemPath0/gems/spring-2.0.2/lib/spring/application.rb:291
                    • ActiveRecord::Enum::EnumType#block (3 levels) in shush_backtraces $GemPath0/gems/spring-2.0.2/lib/spring/application.rb:291
                      • String#start_with? $GemPath0/gems/spring-2.0.2/lib/spring/application.rb:291
                    • ActiveRecord::Enum::EnumType#block (3 levels) in shush_backtraces $GemPath0/gems/spring-2.0.2/lib/spring/application.rb:291
                      • String#start_with? $GemPath0/gems/spring-2.0.2/lib/spring/application.rb:291
                    • ActiveRecord::Enum::EnumType#block (3 levels) in shush_backtraces $GemPath0/gems/spring-2.0.2/lib/spring/application.rb:291
                      • String#start_with? $GemPath0/gems/spring-2.0.2/lib/spring/application.rb:291
                    • ActiveRecord::Enum::EnumType#block (3 levels) in shush_backtraces $GemPath0/gems/spring-2.0.2/lib/spring/application.rb:291
                      • String#start_with? $GemPath0/gems/spring-2.0.2/lib/spring/application.rb:291
                    • ActiveRecord::Enum::EnumType#block (3 levels) in shush_backtraces $GemPath0/gems/spring-2.0.2/lib/spring/application.rb:291
                      • String#start_with? $GemPath0/gems/spring-2.0.2/lib/spring/application.rb:291
                    • ActiveRecord::Enum::EnumType#block (3 levels) in shush_backtraces $GemPath0/gems/spring-2.0.2/lib/spring/application.rb:291
                      • String#start_with? $GemPath0/gems/spring-2.0.2/lib/spring/application.rb:291
                    • ActiveRecord::Enum::EnumType#block (3 levels) in shush_backtraces $GemPath0/gems/spring-2.0.2/lib/spring/application.rb:291
                      • String#start_with? $GemPath0/gems/spring-2.0.2/lib/spring/application.rb:291
                    • ActiveRecord::Enum::EnumType#block (3 levels) in shush_backtraces $GemPath0/gems/spring-2.0.2/lib/spring/application.rb:291
                      • String#start_with? $GemPath0/gems/spring-2.0.2/lib/spring/application.rb:291
                    • ActiveRecord::Enum::EnumType#block (3 levels) in shush_backtraces $GemPath0/gems/spring-2.0.2/lib/spring/application.rb:291
                      • String#start_with? $GemPath0/gems/spring-2.0.2/lib/spring/application.rb:291
                    • ActiveRecord::Enum::EnumType#block (3 levels) in shush_backtraces $GemPath0/gems/spring-2.0.2/lib/spring/application.rb:291
                      • String#start_with? $GemPath0/gems/spring-2.0.2/lib/spring/application.rb:291
                    • ActiveRecord::Enum::EnumType#block (3 levels) in shush_backtraces $GemPath0/gems/spring-2.0.2/lib/spring/application.rb:291
                      • String#start_with? $GemPath0/gems/spring-2.0.2/lib/spring/application.rb:291
                    • ActiveRecord::Enum::EnumType#block (3 levels) in shush_backtraces $GemPath0/gems/spring-2.0.2/lib/spring/application.rb:291
                      • String#start_with? $GemPath0/gems/spring-2.0.2/lib/spring/application.rb:291
                    • ActiveRecord::Enum::EnumType#block (3 levels) in shush_backtraces $GemPath0/gems/spring-2.0.2/lib/spring/application.rb:291
                      • String#start_with? $GemPath0/gems/spring-2.0.2/lib/spring/application.rb:291
                    • ActiveRecord::Enum::EnumType#block (3 levels) in shush_backtraces $GemPath0/gems/spring-2.0.2/lib/spring/application.rb:291
                      • String#start_with? $GemPath0/gems/spring-2.0.2/lib/spring/application.rb:291
                    • ActiveRecord::Enum::EnumType#block (3 levels) in shush_backtraces $GemPath0/gems/spring-2.0.2/lib/spring/application.rb:291
                      • String#start_with? $GemPath0/gems/spring-2.0.2/lib/spring/application.rb:291
                    • ActiveRecord::Enum::EnumType#block (3 levels) in shush_backtraces $GemPath0/gems/spring-2.0.2/lib/spring/application.rb:291
                      • String#start_with? $GemPath0/gems/spring-2.0.2/lib/spring/application.rb:291