Redmine

Please post full log with --trace option.

undefined method `type' for nil:NilClass/opt/redmine-3.3.1/db/migrate/20160416072926_remove_position_defaults.rb:4:in `block in up'
/opt/redmine-3.3.1/db/migrate/20160416072926_remove_position_defaults.rb:3:in `each'
/opt/redmine-3.3.1/db/migrate/20160416072926_remove_position_defaults.rb:3:in `up'
NoMethodError: undefined method `type' for nil:NilClass
/opt/redmine-3.3.1/db/migrate/20160416072926_remove_position_defaults.rb:4:in `block in up'
/opt/redmine-3.3.1/db/migrate/20160416072926_remove_position_defaults.rb:3:in `each'
/opt/redmine-3.3.1/db/migrate/20160416072926_remove_position_defaults.rb:3:in `up'
Tasks: TOP => db:migrate
(See full trace by running task with --trace)
[root@redhat redmine-3.3.1]#

The issue should have already been fixed by #30285. See #31230#note-4 for the detail.