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Ruby on rails 4 错误：取消初始化常量载波波形

ruby-on-rails-4

Ruby on rails 4 错误：取消初始化常量载波波形,ruby-on-rails-4,carrierwave,Ruby On Rails 4,Carrierwave,ExpenseReportsController索引中的名称错误 未初始化常量载波波形 类ImageUploader

ExpenseReportsController索引中的名称错误

未初始化常量载波波形

类ImageUploader
不确定如何修复此错误…

我正在处理相同的错误，并且只使用此gem。一旦我把 gem“carrierwave”也到了我的gem文件中，一切正常。也许这会有帮助