以下のログが出るんだけど、だれか原因わかる人いない?


Started GET "/" for ::1 at 2016-05-02 22:55:10 +0900
ActiveRecord::SchemaMigration Load (1.2ms) SELECT "schema_migrations".* FROM "schema_migrations"

ArgumentError (invalid multibyte character):
app/controllers/application_controller.rb:3:in `<top (required)>'
app/controllers/home_controller.rb:5:in `<top (required)>'