Ruby on rails error rake db:migrate -


whenever run rake db:migrate rails_env=development returns syntax error 

rake aborted! syntaxerror: /users/isaiahxd/.rvm/gems/ruby-  2.2.1@rails3tutorial/rails_projects/first_app/db/migrate/20150825050353_create_u    sers.rb:21: syntax error, unexpected keyword_end, expecting end-of-input /users/isaiahxd/.rvm/gems/ruby-2.2.1/gems/activesupport- 4.2.3/lib/active_support/dependencies.rb:274:in `require' /users/isaiahxd/.rvm/gems/ruby-2.2.1/gems/activesupport-4.2.3/lib/active_support/dependencies.rb:274:in `block in require' /users/isaiahxd/.rvm/gems/ruby-2.2.1/gems/activesupport-4.2.3/lib/active_support/dependencies.rb:240:in `load_dependency' /users/isaiahxd/.rvm/gems/ruby-2.2.1/gems/activesupport-4.2.3/lib/active_support/dependencies.rb:274:in `require' /users/isaiahxd/.rvm/gems/ruby-2.2.1/gems/activerecord-4.2.3/lib/active_record/migration.rb:773:in `load_migration' /users/isaiahxd/.rvm/gems/ruby-2.2.1/gems/activerecord-4.2.3/lib/active_record/migration.rb:769:in `migration' /users/isaiahxd/.rvm/gems/ruby-2.2.1/gems/activerecord-4.2.3/lib/active_record/migration.rb:764:in `disable_ddl_transaction' /users/isaiahxd/.rvm/gems/ruby-2.2.1/gems/activerecord-4.2.3/lib/active_record/migration.rb:1047:in `use_transaction?' /users/isaiahxd/.rvm/gems/ruby-2.2.1/gems/activerecord-4.2.3/lib/active_record/migration.rb:1039:in `ddl_transaction' /users/isaiahxd/.rvm/gems/ruby-2.2.1/gems/activerecord-4.2.3/lib/active_record/migration.rb:993:in `execute_migration_in_transaction' /users/isaiahxd/.rvm/gems/ruby-2.2.1/gems/activerecord-4.2.3/lib/active_record/migration.rb:955:in `block in migrate' /users/isaiahxd/.rvm/gems/ruby-2.2.1/gems/activerecord-4.2.3/lib/active_record/migration.rb:951:in `each' /users/isaiahxd/.rvm/gems/ruby-2.2.1/gems/activerecord-4.2.3/lib/active_record/migration.rb:951:in `migrate' /users/isaiahxd/.rvm/gems/ruby-2.2.1/gems/activerecord-4.2.3/lib/active_record/migration.rb:819:in `up' /users/isaiahxd/.rvm/gems/ruby-2.2.1/gems/activerecord-4.2.3/lib/active_record/migration.rb:797:in `migrate' /users/isaiahxd/.rvm/gems/ruby-2.2.1/gems/activerecord-4.2.3/lib/active_record/tasks/database_tasks.rb:137:in `migrate'  /users/isaiahxd/.rvm/gems/ruby-2.2.1/gems/activerecord-4.2.3/lib/active_record/railties/databases.rake:44:in `block (2 levels) in <top (required)>'

tasks: top => db:migrate (see full trace running task --trace)

i checked , returns 

"20150825050353_create_users.rb:21: syntax error, unexpected keyword_end,  expecting end-of-input"    class createusers < activerecord::migration   def     create_table :users |t|       t.column "first_name", :string, :limit => 25       t.string  "last_name", :limit => 50       t.string  "email", :default => "", :null => false       t.string  "password", :limit => 40       t.datetime "created_at"       t.datetime "updated_at"       t.timestamps null: false     end   end    def down     drop_table :users   end end

change:

t.timestamps null: false

to:

t.timestamps :null => false

-

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