我正在尝试将我的应用程序推送到Heroku,但是我得到了这个相当随意的错误：
Errno::ENOENT: No such file or directory @ rb_sysopen -\
/tmp/build_.../config/aws.yml
/tmp/build_.../vendor/bundle/ruby/2.1.0/gems/safe_yaml-1.0.3/lib/safe_yaml.rb:39:in `initialize'
/tmp/build_.../vendor/bundle/ruby/2.1.0/gems/safe_yaml-1.0.3/lib/safe_yaml.rb:39:in `open'
/tmp/build_.../vendor/bundle/ruby/2.1.0/gems/safe_yaml-1.0.3/lib/safe_yaml.rb:39:in `unsafe_load_file'
/tmp/build_.../vendor/bundle/ruby/2.1.0/gems/safe_yaml-1.0.3/lib/safe_yaml.rb:24:in `load_file_with_options'
/tmp/build_.../config/initializers/aws.rb:1:in `<top (required)>'
/tmp/build_.../vendor/bundle/ruby/2.1.0/gems/activesupport-4.0.5/lib/active_support/dependencies.rb:223:in `load'
/tmp/build_.../vendor/bundle/ruby/2.1.0/gems/activesupport-4.0.5/lib/active_support/dependencies.rb:223:in `block in load'
/tmp/build_.../vendor/bundle/ruby/2.1.0/gems/activesupport-4.0.5/lib/active_support/dependencies.rb:214:in `load_dependency'
/tmp/build_.../vendor/bundle/ruby/2.1.0/gems/activesupport-4.0.5/lib/active_support/dependencies.rb:223:in `load'
/tmp/build_.../vendor/
我在aws.yml文件中有正确的密钥,所以我不确定为什么我会收到此错误,也可以在本地正常工作.我已经尝试删除/ tmp文件夹并让Heroku重新生成它也无法正常工作.我该如何解决？