diff --git a/FWCore/Utilities/interface/EDMException.h b/FWCore/Utilities/interface/EDMException.h
index 9f8a7909a7c10..641df1d0f8b9b 100644
--- a/FWCore/Utilities/interface/EDMException.h
+++ b/FWCore/Utilities/interface/EDMException.h
@@ -66,6 +66,8 @@ namespace edm {
        ExceededResourceRSS = 8031,
        ExceededResourceTime = 8032,
       
+       EventGenerationFailure = 8501,
+
        CaughtSignal = 9000
     };
 
diff --git a/FWCore/Utilities/src/EDMException.cc b/FWCore/Utilities/src/EDMException.cc
index 45b3b321062d5..00282d31920e6 100644
--- a/FWCore/Utilities/src/EDMException.cc
+++ b/FWCore/Utilities/src/EDMException.cc
@@ -42,6 +42,7 @@ namespace edm {
       EDM_MAP_ENTRY_NONS(trans_, ExceededResourceVSize);
       EDM_MAP_ENTRY_NONS(trans_, ExceededResourceRSS);
       EDM_MAP_ENTRY_NONS(trans_, ExceededResourceTime);
+      EDM_MAP_ENTRY_NONS(trans_, EventGenerationFailure);
     }
   }
 
diff --git a/GeneratorInterface/LHEInterface/plugins/ExternalLHEProducer.cc b/GeneratorInterface/LHEInterface/plugins/ExternalLHEProducer.cc
index c20f4ccd7ded6..cb91fa26554a7 100644
--- a/GeneratorInterface/LHEInterface/plugins/ExternalLHEProducer.cc
+++ b/GeneratorInterface/LHEInterface/plugins/ExternalLHEProducer.cc
@@ -152,7 +152,7 @@ ExternalLHEProducer::produce(edm::Event& iEvent, const edm::EventSetup& iSetup)
 {
   nextEvent();
   if (!partonLevel) {
-    throw cms::Exception("ExternalLHEProducer") << "No lhe event found in ExternalLHEProducer::produce().  "
+    throw edm::Exception(edm::errors::EventGenerationFailure) << "No lhe event found in ExternalLHEProducer::produce().  "
     << "The likely cause is that the lhe file contains fewer events than were requested, which is possible "
     << "in case of phase space integration or uneweighting efficiency problems.";
   }
@@ -296,7 +296,7 @@ ExternalLHEProducer::endRunProduce(edm::Run& run, edm::EventSetup const& es)
   
   nextEvent();
   if (partonLevel) {
-    throw cms::Exception("ExternalLHEProducer") << "Error in ExternalLHEProducer::endRunProduce().  "
+    throw edm::Exception(edm::errors::EventGenerationFailure) << "Error in ExternalLHEProducer::endRunProduce().  "
     << "Event loop is over, but there are still lhe events to process."
     << "This could happen if lhe file contains more events than requested.  This is never expected to happen.";
   }