diff --git a/src/libs/pestpp_common/EnsembleMethodUtils.cpp b/src/libs/pestpp_common/EnsembleMethodUtils.cpp
index 3a9bbe7f..34cbe82c 100644
--- a/src/libs/pestpp_common/EnsembleMethodUtils.cpp
+++ b/src/libs/pestpp_common/EnsembleMethodUtils.cpp
@@ -3515,7 +3515,8 @@ void L2PhiHandler::report_group(bool echo) {
     {
         for (auto& oo : o.second)
         {
-            if (oo.second == 0.0)
+            //if (oo.second == 0.0)
+            if (snzgroups.find(oo.first) == snzgroups.end())
                 continue;
             len = max(len,(int)oo.first.size());
         }
diff --git a/src/libs/pestpp_common/Pest.cpp b/src/libs/pestpp_common/Pest.cpp
index e63ab9f7..60859f96 100644
--- a/src/libs/pestpp_common/Pest.cpp
+++ b/src/libs/pestpp_common/Pest.cpp
@@ -968,6 +968,10 @@ int Pest::process_ctl_file(ifstream& fin, string _pst_filename)
 int Pest::process_ctl_file(ifstream& fin, string _pst_filename, ofstream& f_rec)
 {
 	cout << "processing control file " << _pst_filename << endl;
+	if (!fin)
+    {
+	    throw PestError("control file stream is not good");
+    }
 	string line;
 	string line_upper;
 	string section("");
diff --git a/src/programs/pestpp-ies/pestpp-ies.cpp b/src/programs/pestpp-ies/pestpp-ies.cpp
index 64cbed8f..41257816 100644
--- a/src/programs/pestpp-ies/pestpp-ies.cpp
+++ b/src/programs/pestpp-ies/pestpp-ies.cpp
@@ -35,9 +35,9 @@ using namespace pest_utils;
 
 int main(int argc, char* argv[])
 {
-//#ifndef _DEBUG
-//	try {
-//#endif
+#ifndef _DEBUG
+	try {
+#endif
         string version = PESTPP_VERSION;
         cout << endl << endl;
         cout << "             pestpp-ies: a GLM iterative ensemble smoother" << endl << endl;
@@ -302,20 +302,20 @@ int main(int argc, char* argv[])
         fout_rec.close();
         return 0;
 
-//#ifndef _DEBUG
-//	}
-//	catch (exception &e)
-//	{
-//		cout << "Error condition prevents further execution: " << endl << e.what() << endl;
-//		//cout << "press enter to continue" << endl;
-//		//char buf[256];
-//		//OperSys::gets_s(buf, sizeof(buf));
-//		return 1;
-//	}
-//	catch (...)
-//	{
-//		cout << "Error condition prevents further execution" << endl;
-//		return 1;
-//	}
-//#endif
+#ifndef _DEBUG
+	}
+	catch (exception &e)
+	{
+		cout << "Error condition prevents further execution: " << endl << e.what() << endl;
+		//cout << "press enter to continue" << endl;
+		//char buf[256];
+		//OperSys::gets_s(buf, sizeof(buf));
+		return 1;
+	}
+	catch (...)
+	{
+		cout << "Error condition prevents further execution" << endl;
+		return 1;
+	}
+#endif
 }