lib/active_support/dependencies.rb in activesupport-6.1.0.rc1 vs lib/active_support/dependencies.rb in activesupport-6.1.0.rc2

@@ -373,10 +373,15 @@
     def depend_on(file_name, message = "No such file to load -- %s.rb")
       path = search_for_file(file_name)
       require_or_load(path || file_name)
     rescue LoadError => load_error
       if file_name = load_error.message[/ -- (.*?)(\.rb)?$/, 1]
-        load_error.message.replace(message % file_name)
+        load_error_message = if load_error.respond_to?(:original_message)
+          load_error.original_message
+        else
+          load_error.message
+        end
+        load_error_message.replace(message % file_name)
         load_error.copy_blame!(load_error)
       end
       raise
     end