diff --git a/lib/ontologies_linked_data/monkeypatches/object.rb b/lib/ontologies_linked_data/monkeypatches/object.rb
index deadf71c..414ab6fb 100644
--- a/lib/ontologies_linked_data/monkeypatches/object.rb
+++ b/lib/ontologies_linked_data/monkeypatches/object.rb
@@ -101,6 +101,7 @@ def to_flex_hash(options = {}, &block)
         hash, modified = embed_goo_objects_just_values(hash, k, v, options, &block)
       rescue Exception => e
         puts "Bad data found in submission: #{hash}"
+        puts "#{e.class}: #{e.message}\n#{e.backtrace.join("\n")}"
         raise e
       end