ActiveModel::UnknownAttributeError: unknown attribute 'paid' for Entry.

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View details in Rollbar: https://rollbar.com/spielhoelle/zelos/items/20/

ActiveModel::UnknownAttributeError: unknown attribute 'paid' for Entry.
  File "/Users/thomaskuhnert/.rvm/gems/ruby-2.2.5/gems/activemodel-5.0.1/lib/active_model/attribute_assignment.rb", line 48, in _assign_attribute
  File "/Users/thomaskuhnert/.rvm/gems/ruby-2.2.5/gems/activemodel-5.0.1/lib/active_model/attribute_assignment.rb", line 40, in block in _assign_attributes
  File "/Users/thomaskuhnert/.rvm/gems/ruby-2.2.5/gems/activemodel-5.0.1/lib/active_model/attribute_assignment.rb", line 39, in each
  File "/Users/thomaskuhnert/.rvm/gems/ruby-2.2.5/gems/activemodel-5.0.1/lib/active_model/attribute_assignment.rb", line 39, in _assign_attributes
  File "/Users/thomaskuhnert/.rvm/gems/ruby-2.2.5/gems/activerecord-5.0.1/lib/active_record/attribute_assignment.rb", line 26, in _assign_attributes
  File "/Users/thomaskuhnert/.rvm/gems/ruby-2.2.5/gems/activemodel-5.0.1/lib/active_model/attribute_assignment.rb", line 33, in assign_attributes
  File "/Users/thomaskuhnert/.rvm/gems/ruby-2.2.5/gems/activerecord-5.0.1/lib/active_record/core.rb", line 319, in initialize
  File "/Users/thomaskuhnert/.rvm/gems/ruby-2.2.5/gems/activerecord-5.0.1/lib/active_record/inheritance.rb", line 65, in new
  File "/Users/thomaskuhnert/.rvm/gems/ruby-2.2.5/gems/activerecord-5.0.1/lib/active_record/inheritance.rb", line 65, in new
  File "/Users/thomaskuhnert/.rvm/gems/ruby-2.2.5/gems/activerecord-5.0.1/lib/active_record/persistence.rb", line 50, in create!
  File "/Users/thomaskuhnert/.rvm/gems/ruby-2.2.5/gems/activerecord-5.0.1/lib/active_record/persistence.rb", line 48, in block in create!
  File "/Users/thomaskuhnert/.rvm/gems/ruby-2.2.5/gems/activerecord-5.0.1/lib/active_record/persistence.rb", line 48, in collect
  File "/Users/thomaskuhnert/.rvm/gems/ruby-2.2.5/gems/activerecord-5.0.1/lib/active_record/persistence.rb", line 48, in create!
  File "/Users/thomaskuhnert/develop/zelos/db/seeds.rb", line 8, in <top (required)>
  File "/Users/thomaskuhnert/.rvm/gems/ruby-2.2.5/gems/activesupport-5.0.1/lib/active_support/dependencies.rb", line 287, in load
  File "/Users/thomaskuhnert/.rvm/gems/ruby-2.2.5/gems/activesupport-5.0.1/lib/active_support/dependencies.rb", line 287, in block in load
  File "/Users/thomaskuhnert/.rvm/gems/ruby-2.2.5/gems/activesupport-5.0.1/lib/active_support/dependencies.rb", line 259, in load_dependency
  File "/Users/thomaskuhnert/.rvm/gems/ruby-2.2.5/gems/activesupport-5.0.1/lib/active_support/dependencies.rb", line 287, in load
  File "/Users/thomaskuhnert/.rvm/gems/ruby-2.2.5/gems/railties-5.0.1/lib/rails/engine.rb", line 549, in load_seed
  File "/Users/thomaskuhnert/.rvm/gems/ruby-2.2.5/gems/activerecord-5.0.1/lib/active_record/tasks/database_tasks.rb", line 268, in load_seed
  File "/Users/thomaskuhnert/.rvm/gems/ruby-2.2.5/gems/activerecord-5.0.1/lib/active_record/railties/databases.rake", line 196, in block (2 levels) in <top (required)>
  File "/Users/thomaskuhnert/.rvm/gems/ruby-2.2.5/gems/rake-12.0.0/lib/rake/task.rb", line 250, in call
  File "/Users/thomaskuhnert/.rvm/gems/ruby-2.2.5/gems/rake-12.0.0/lib/rake/task.rb", line 250, in block in execute
  File "/Users/thomaskuhnert/.rvm/gems/ruby-2.2.5/gems/rake-12.0.0/lib/rake/task.rb", line 250, in each
  File "/Users/thomaskuhnert/.rvm/gems/ruby-2.2.5/gems/rake-12.0.0/lib/rake/task.rb", line 250, in execute
  File "/Users/thomaskuhnert/.rvm/gems/ruby-2.2.5/gems/rake-12.0.0/lib/rake/task.rb", line 194, in block in invoke_with_call_chain
  File "/Users/thomaskuhnert/.rvm/rubies/ruby-2.2.5/lib/ruby/2.2.0/monitor.rb", line 211, in mon_synchronize
  File "/Users/thomaskuhnert/.rvm/gems/ruby-2.2.5/gems/rake-12.0.0/lib/rake/task.rb", line 187, in invoke_with_call_chain
  File "/Users/thomaskuhnert/.rvm/gems/ruby-2.2.5/gems/rake-12.0.0/lib/rake/task.rb", line 180, in invoke
  File "/Users/thomaskuhnert/.rvm/gems/ruby-2.2.5/gems/rake-12.0.0/lib/rake/application.rb", line 152, in invoke_task
  File "/Users/thomaskuhnert/.rvm/gems/ruby-2.2.5/gems/rake-12.0.0/lib/rake/application.rb", line 108, in block (2 levels) in top_level
  File "/Users/thomaskuhnert/.rvm/gems/ruby-2.2.5/gems/rake-12.0.0/lib/rake/application.rb", line 108, in each
  File "/Users/thomaskuhnert/.rvm/gems/ruby-2.2.5/gems/rake-12.0.0/lib/rake/application.rb", line 108, in block in top_level
  File "/Users/thomaskuhnert/.rvm/gems/ruby-2.2.5/gems/rake-12.0.0/lib/rake/application.rb", line 117, in run_with_threads
  File "/Users/thomaskuhnert/.rvm/gems/ruby-2.2.5/gems/rake-12.0.0/lib/rake/application.rb", line 102, in top_level
  File "/Users/thomaskuhnert/.rvm/gems/ruby-2.2.5/gems/railties-5.0.1/lib/rails/commands/rake_proxy.rb", line 14, in block in run_rake_task
  File "/Users/thomaskuhnert/.rvm/gems/ruby-2.2.5/gems/rake-12.0.0/lib/rake/application.rb", line 178, in standard_exception_handling
  File "/Users/thomaskuhnert/.rvm/gems/ruby-2.2.5/gems/railties-5.0.1/lib/rails/commands/rake_proxy.rb", line 11, in run_rake_task
  File "/Users/thomaskuhnert/.rvm/gems/ruby-2.2.5/gems/railties-5.0.1/lib/rails/commands/commands_tasks.rb", line 51, in run_command!
  File "/Users/thomaskuhnert/.rvm/gems/ruby-2.2.5/gems/railties-5.0.1/lib/rails/commands.rb", line 18, in <top (required)>
  File "/Users/thomaskuhnert/develop/zelos/bin/rails", line 9, in require
  File "/Users/thomaskuhnert/develop/zelos/bin/rails", line 9, in <top (required)>
  File "/Users/thomaskuhnert/.rvm/gems/ruby-2.2.5/gems/spring-2.0.1/lib/spring/client/rails.rb", line 28, in load
  File "/Users/thomaskuhnert/.rvm/gems/ruby-2.2.5/gems/spring-2.0.1/lib/spring/client/rails.rb", line 28, in call
  File "/Users/thomaskuhnert/.rvm/gems/ruby-2.2.5/gems/spring-2.0.1/lib/spring/client/command.rb", line 7, in call
  File "/Users/thomaskuhnert/.rvm/gems/ruby-2.2.5/gems/spring-2.0.1/lib/spring/client.rb", line 30, in run
  File "/Users/thomaskuhnert/.rvm/gems/ruby-2.2.5/gems/spring-2.0.1/bin/spring", line 49, in <top (required)>
  File "/Users/thomaskuhnert/.rvm/gems/ruby-2.2.5/gems/spring-2.0.1/lib/spring/binstub.rb", line 31, in load
  File "/Users/thomaskuhnert/.rvm/gems/ruby-2.2.5/gems/spring-2.0.1/lib/spring/binstub.rb", line 31, in <top (required)>
  File "/Users/thomaskuhnert/.rvm/rubies/ruby-2.2.5/lib/ruby/site_ruby/2.2.0/rubygems/core_ext/kernel_require.rb", line 68, in require
  File "/Users/thomaskuhnert/.rvm/rubies/ruby-2.2.5/lib/ruby/site_ruby/2.2.0/rubygems/core_ext/kernel_require.rb", line 68, in require
  File "/Users/thomaskuhnert/develop/zelos/bin/spring", line 15, in <top (required)>
  File "bin/rails", line 3, in load
  File "bin/rails", line 3, in <main>