diff --git a/source/trunk/Model/XS/XSM_MLP.cxx b/source/trunk/Model/XS/XSM_MLP.cxx
index 07a52dfb9220418dfafc47c41f4f0346919a0afc..ab68ccf92b57315322b7536568cd92467175672c 100644
--- a/source/trunk/Model/XS/XSM_MLP.cxx
+++ b/source/trunk/Model/XS/XSM_MLP.cxx
@@ -206,6 +206,7 @@ void XSM_MLP::GetMLPWeightFiles()
 	if (rep == NULL)
 	{
 		perror("");
+        ERROR<<" Reading error for TMVA weight folder  "<<fTMVAWeightFolder.c_str()<<" : "<<strerror(errno)<<endl;
 		exit(1);
 	}