Db seed error

[muhammetfaik]

rake db:seed
adding places
adding actors
adding writers
adding directors
adding movies

Error:

/Users/mordekay/.rbenv/versions/2.6.1/lib/ruby/gems/2.6.0/gems/activesupport-4.2.4/lib/active_support/core_ext/object/duplicable.rb:85: warning: BigDecimal.new is deprecated; use BigDecimal() method instead.
/Users/mordekay/.rbenv/versions/2.6.1/lib/ruby/gems/2.6.0/gems/activesupport-4.2.4/lib/active_support/core_ext/numeric/conversions.rb:121: warning: constant ::Fixnum is deprecated
/Users/mordekay/.rbenv/versions/2.6.1/lib/ruby/gems/2.6.0/gems/activesupport-4.2.4/lib/active_support/core_ext/numeric/conversions.rb:121: warning: constant ::Bignum is deprecated
rake aborted!
SystemStackError: stack level too deep
/Users/mordekay/Desktop/Mongoid_Rails_Tutorial/fullstack-course3-module3-movies/config/application.rb:7:in `<top (required)>'
/Users/mordekay/Desktop/Mongoid_Rails_Tutorial/fullstack-course3-module3-movies/Rakefile:4:in `<top (required)>'
(See full trace by running task with --trace)

Help !!!