** Invoke db:migrate (first_time)
** Invoke environment (first_time)
** Execute environment
** Invoke db:load_config (first_time)
** Execute db:load_config
** Execute db:migrate
rake aborted!
An error has occurred, this and all later migrations canceled:

invalid byte sequence in UTF-8/usr/local/lib/ruby/gems/1.9/gems/sqlite3-1.3.7/lib/sqlite3/database.rb:48:in `gsub'
/usr/local/lib/ruby/gems/1.9/gems/sqlite3-1.3.7/lib/sqlite3/database.rb:48:in `quote'
/usr/local/lib/ruby/gems/1.9/gems/activerecord-3.2.13/lib/active_record/connection_adapters/sqlite_adapter.rb:182:in `quote_string'
/usr/local/lib/ruby/gems/1.9/gems/activerecord-3.2.13/lib/active_record/connection_adapters/abstract/quoting.rb:15:in `quote'
/usr/local/lib/ruby/gems/1.9/gems/activerecord-3.2.13/lib/active_record/connection_adapters/sqlite3_adapter.rb:44:in `quote'
/usr/local/lib/ruby/gems/1.9/gems/activerecord-3.2.13/lib/active_record/connection_adapters/sqlite_adapter.rb:554:in `block (2 levels) in copy_table_contents'
/usr/local/lib/ruby/gems/1.9/gems/activerecord-3.2.13/lib/active_record/connection_adapters/sqlite_adapter.rb:554:in `map'
/usr/local/lib/ruby/gems/1.9/gems/activerecord-3.2.13/lib/active_record/connection_adapters/sqlite_adapter.rb:554:in `block in copy_table_contents'
/usr/local/lib/ruby/gems/1.9/gems/activerecord-3.2.13/lib/active_record/result.rb:20:in `block in each'
/usr/local/lib/ruby/gems/1.9/gems/activerecord-3.2.13/lib/active_record/result.rb:20:in `each'
/usr/local/lib/ruby/gems/1.9/gems/activerecord-3.2.13/lib/active_record/result.rb:20:in `each'
/usr/local/lib/ruby/gems/1.9/gems/activerecord-3.2.13/lib/active_record/connection_adapters/sqlite_adapter.rb:552:in `copy_table_contents'
/usr/local/lib/ruby/gems/1.9/gems/activerecord-3.2.13/lib/active_record/connection_adapters/sqlite_adapter.rb:516:in `copy_table'
/usr/local/lib/ruby/gems/1.9/gems/activerecord-3.2.13/lib/active_record/connection_adapters/sqlite_adapter.rb:488:in `move_table'
/usr/local/lib/ruby/gems/1.9/gems/activerecord-3.2.13/lib/active_record/connection_adapters/sqlite_adapter.rb:481:in `block in alter_table'
/usr/local/lib/ruby/gems/1.9/gems/activerecord-3.2.13/lib/active_record/connection_adapters/abstract/database_statements.rb:192:in `transaction'
/usr/local/lib/ruby/gems/1.9/gems/activerecord-3.2.13/lib/active_record/connection_adapters/sqlite_adapter.rb:480:in `alter_table'
/usr/local/lib/ruby/gems/1.9/gems/activerecord-3.2.13/lib/active_record/connection_adapters/sqlite_adapter.rb:426:in `change_column_default'
/usr/local/lib/ruby/gems/1.9/gems/activerecord-3.2.13/lib/active_record/migration.rb:466:in `block in method_missing'
/usr/local/lib/ruby/gems/1.9/gems/activerecord-3.2.13/lib/active_record/migration.rb:438:in `block in say_with_time'
/usr/local/lib/ruby/1.9/benchmark.rb:280:in `measure'
/usr/local/lib/ruby/gems/1.9/gems/activerecord-3.2.13/lib/active_record/migration.rb:438:in `say_with_time'
/usr/local/lib/ruby/gems/1.9/gems/activerecord-3.2.13/lib/active_record/migration.rb:458:in `method_missing'
/home/bugtracker/redmine/db/migrate/20130217094251_remove_issues_default_fk_values.rb:3:in `up'
/usr/local/lib/ruby/gems/1.9/gems/activerecord-3.2.13/lib/active_record/migration.rb:410:in `block (2 levels) in migrate'
/usr/local/lib/ruby/1.9/benchmark.rb:280:in `measure'
/usr/local/lib/ruby/gems/1.9/gems/activerecord-3.2.13/lib/active_record/migration.rb:410:in `block in migrate'
/usr/local/lib/ruby/gems/1.9/gems/activerecord-3.2.13/lib/active_record/connection_adapters/abstract/connection_pool.rb:129:in `with_connection'
/usr/local/lib/ruby/gems/1.9/gems/activerecord-3.2.13/lib/active_record/migration.rb:389:in `migrate'
/usr/local/lib/ruby/gems/1.9/gems/activerecord-3.2.13/lib/active_record/migration.rb:528:in `migrate'
/usr/local/lib/ruby/gems/1.9/gems/activerecord-3.2.13/lib/active_record/migration.rb:720:in `block (2 levels) in migrate'
/usr/local/lib/ruby/gems/1.9/gems/activerecord-3.2.13/lib/active_record/migration.rb:775:in `call'
/usr/local/lib/ruby/gems/1.9/gems/activerecord-3.2.13/lib/active_record/migration.rb:775:in `block in ddl_transaction'
/usr/local/lib/ruby/gems/1.9/gems/activerecord-3.2.13/lib/active_record/connection_adapters/abstract/database_statements.rb:192:in `transaction'
/usr/local/lib/ruby/gems/1.9/gems/activerecord-3.2.13/lib/active_record/transactions.rb:208:in `transaction'
/usr/local/lib/ruby/gems/1.9/gems/activerecord-3.2.13/lib/active_record/migration.rb:775:in `ddl_transaction'
/usr/local/lib/ruby/gems/1.9/gems/activerecord-3.2.13/lib/active_record/migration.rb:719:in `block in migrate'
/usr/local/lib/ruby/gems/1.9/gems/activerecord-3.2.13/lib/active_record/migration.rb:700:in `each'
/usr/local/lib/ruby/gems/1.9/gems/activerecord-3.2.13/lib/active_record/migration.rb:700:in `migrate'
/usr/local/lib/ruby/gems/1.9/gems/activerecord-3.2.13/lib/active_record/migration.rb:570:in `up'
/usr/local/lib/ruby/gems/1.9/gems/activerecord-3.2.13/lib/active_record/migration.rb:551:in `migrate'
/usr/local/lib/ruby/gems/1.9/gems/activerecord-3.2.13/lib/active_record/railties/databases.rake:193:in `block (2 levels) in <top (required)>'
/usr/local/lib/ruby/gems/1.9/gems/rake-10.1.0/lib/rake/task.rb:236:in `call'
/usr/local/lib/ruby/gems/1.9/gems/rake-10.1.0/lib/rake/task.rb:236:in `block in execute'
/usr/local/lib/ruby/gems/1.9/gems/rake-10.1.0/lib/rake/task.rb:231:in `each'
/usr/local/lib/ruby/gems/1.9/gems/rake-10.1.0/lib/rake/task.rb:231:in `execute'
/usr/local/lib/ruby/gems/1.9/gems/rake-10.1.0/lib/rake/task.rb:175:in `block in invoke_with_call_chain'
/usr/local/lib/ruby/1.9/monitor.rb:211:in `mon_synchronize'
/usr/local/lib/ruby/gems/1.9/gems/rake-10.1.0/lib/rake/task.rb:168:in `invoke_with_call_chain'
/usr/local/lib/ruby/gems/1.9/gems/rake-10.1.0/lib/rake/task.rb:161:in `invoke'
/usr/local/lib/ruby/gems/1.9/gems/rake-10.1.0/lib/rake/application.rb:149:in `invoke_task'
/usr/local/lib/ruby/gems/1.9/gems/rake-10.1.0/lib/rake/application.rb:106:in `block (2 levels) in top_level'
/usr/local/lib/ruby/gems/1.9/gems/rake-10.1.0/lib/rake/application.rb:106:in `each'
/usr/local/lib/ruby/gems/1.9/gems/rake-10.1.0/lib/rake/application.rb:106:in `block in top_level'
/usr/local/lib/ruby/gems/1.9/gems/rake-10.1.0/lib/rake/application.rb:115:in `run_with_threads'
/usr/local/lib/ruby/gems/1.9/gems/rake-10.1.0/lib/rake/application.rb:100:in `top_level'
/usr/local/lib/ruby/gems/1.9/gems/rake-10.1.0/lib/rake/application.rb:78:in `block in run'
/usr/local/lib/ruby/gems/1.9/gems/rake-10.1.0/lib/rake/application.rb:165:in `standard_exception_handling'
/usr/local/lib/ruby/gems/1.9/gems/rake-10.1.0/lib/rake/application.rb:75:in `run'
/usr/local/lib/ruby/gems/1.9/gems/rake-10.1.0/bin/rake:33:in `<top (required)>'
/usr/local/bin/rake:23:in `load'
/usr/local/bin/rake:23:in `<main>'
Tasks: TOP => db:migrate
==  RemoveIssuesDefaultFkValues: migrating ====================================
-- change_column_default(:issues, :tracker_id, nil)