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I am following the instructions on Agile Web Development with Rails book "Iteratio E1: Capturing an Order" section. When I run the migrations I get the following error. rake db:migrate (in /Users/balaparanj/work/depot) -- execute("alter table line_items \n add constraint fk_line_item_products \n foreign key (product_id) references products(id)") rake

I''m having (to me) a strange problem with errors when running my tests with rake as opposed to using ruby. If I do rake test:units I get this error for several tests, but not all: 13) Error: test_player_has_game_statistics_for_season(PlayerSeasonTest): ActiveRecord::StatementInvalid: Mysql::Error: Duplicate entry ''22'' for key 1: INSERT INTO positions (`name`, `id`,