lib/nanoc/base/errors.rb in nanoc-4.9.9 vs lib/nanoc/base/errors.rb in nanoc-4.10.0

@@ -234,9 +234,15 @@
       def initialize(filter_name)
         super("The #{filter_name.inspect} filter returned nil, but is required to return a String.")
       end
     end
 
+    class AmbiguousMetadataAssociation < Generic
+      def initialize(content_filenames, meta_filename)
+        super("There are multiple content files (#{content_filenames.join(', ')}) that could match the file containing metadata (#{meta_filename}).")
+      end
+    end
+
     class InternalInconsistency < Generic
     end
   end
 end