diff --git a/lib/refrepo/gen/oar-properties.rb b/lib/refrepo/gen/oar-properties.rb
index dbc6d02faeee0b9a3784e6e1ee9f0a8b4c6fd84c..33190f73ee5bd896cb000906003148d38a656c7c 100644
--- a/lib/refrepo/gen/oar-properties.rb
+++ b/lib/refrepo/gen/oar-properties.rb
@@ -1511,7 +1511,9 @@ def generate_oar_properties(options)
                                                        data_hierarchy,
                                                        refrepo_properties[site_name])
   rescue
-    print("A problem occured while building the clusters description. Generator is exiting.")
+    puts "A problem occured while building the clusters description. Generator is exiting."
+    puts $!
+    puts $@
     return 1
   end