NoMethodError: undefined method `firs' for nil:NilClass

[trystant]

View details in Rollbar: https://rollbar.com/trystant/EBWiki/items/1785/

NoMethodError: undefined method `firs' for nil:NilClass
  File "/vagrant/db/seeds.rb", line 240, in <top (required)>
  File "/usr/local/lib/ruby/gems/2.5.0/gems/activesupport-4.2.11/lib/active_support/dependencies.rb", line 268, in load
  File "/usr/local/lib/ruby/gems/2.5.0/gems/activesupport-4.2.11/lib/active_support/dependencies.rb", line 268, in block in load
  File "/usr/local/lib/ruby/gems/2.5.0/gems/activesupport-4.2.11/lib/active_support/dependencies.rb", line 240, in load_dependency
  File "/usr/local/lib/ruby/gems/2.5.0/gems/activesupport-4.2.11/lib/active_support/dependencies.rb", line 268, in load
  File "/usr/local/lib/ruby/gems/2.5.0/gems/railties-4.2.11/lib/rails/engine.rb", line 547, in load_seed
  File "/usr/local/lib/ruby/gems/2.5.0/gems/activerecord-4.2.11/lib/active_record/tasks/database_tasks.rb", line 253, in load_seed
  File "/usr/local/lib/ruby/gems/2.5.0/gems/activerecord-4.2.11/lib/active_record/railties/databases.rake", line 173, in block (2 levels) in <top (required)>
  File "/usr/local/lib/ruby/gems/2.5.0/gems/rake-12.3.2/lib/rake/task.rb", line 273, in block in execute
  File "/usr/local/lib/ruby/gems/2.5.0/gems/rake-12.3.2/lib/rake/task.rb", line 273, in each
  File "/usr/local/lib/ruby/gems/2.5.0/gems/rake-12.3.2/lib/rake/task.rb", line 273, in execute
  File "/usr/local/lib/ruby/gems/2.5.0/gems/rake-12.3.2/lib/rake/task.rb", line 214, in block in invoke_with_call_chain
  File "/usr/local/lib/ruby/2.5.0/monitor.rb", line 226, in mon_synchronize
  File "/usr/local/lib/ruby/gems/2.5.0/gems/rake-12.3.2/lib/rake/task.rb", line 194, in invoke_with_call_chain
  File "/usr/local/lib/ruby/gems/2.5.0/gems/rake-12.3.2/lib/rake/task.rb", line 183, in invoke
  File "/usr/local/lib/ruby/gems/2.5.0/gems/rake-12.3.2/lib/rake/application.rb", line 160, in invoke_task
  File "/usr/local/lib/ruby/gems/2.5.0/gems/rake-12.3.2/lib/rake/application.rb", line 116, in block (2 levels) in top_level
  File "/usr/local/lib/ruby/gems/2.5.0/gems/rake-12.3.2/lib/rake/application.rb", line 116, in each
  File "/usr/local/lib/ruby/gems/2.5.0/gems/rake-12.3.2/lib/rake/application.rb", line 116, in block in top_level
  File "/usr/local/lib/ruby/gems/2.5.0/gems/rake-12.3.2/lib/rake/application.rb", line 125, in run_with_threads
  File "/usr/local/lib/ruby/gems/2.5.0/gems/rake-12.3.2/lib/rake/application.rb", line 110, in top_level
  File "/usr/local/lib/ruby/gems/2.5.0/gems/rake-12.3.2/lib/rake/application.rb", line 83, in block in run
  File "/usr/local/lib/ruby/gems/2.5.0/gems/rake-12.3.2/lib/rake/application.rb", line 186, in standard_exception_handling
  File "/usr/local/lib/ruby/gems/2.5.0/gems/rake-12.3.2/lib/rake/application.rb", line 80, in run
  File "/usr/local/lib/ruby/gems/2.5.0/gems/rake-12.3.2/exe/rake", line 27, in <top (required)>
  File "/usr/local/bin/rake", line 23, in load
  File "/usr/local/bin/rake", line 23, in <main>