From c88c62a07bd027d98ee50bfa908fee6745a29f79 Mon Sep 17 00:00:00 2001
From: GernotMaier <gernot.maier@desy.de>
Date: Thu, 12 Dec 2024 21:43:07 +0100
Subject: [PATCH] Fix segmentation fault when exiting on error in anasum

---
 src/VStereoAnalysis.cpp | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/src/VStereoAnalysis.cpp b/src/VStereoAnalysis.cpp
index 85e6773f..b1b44329 100644
--- a/src/VStereoAnalysis.cpp
+++ b/src/VStereoAnalysis.cpp
@@ -235,8 +235,8 @@ int VStereoAnalysis::getDataRunNumber() const
         }
         else if( fDataRun->GetEntry( 0 ) == 0 )
         {
-            cout << "VStereoAnalysis::getDataRunNumber error: tree is empty." << endl;
-            fDataRun->fChain->Print();
+            cout << "VStereoAnalysis::getDataRunNumber error: mscw data tree is empty." << endl;
+            cout << "exiting...";
         }
         else
         {
@@ -244,8 +244,9 @@ int VStereoAnalysis::getDataRunNumber() const
         }
     }
 
+    gROOT->SetMustClean(false);
     exit( EXIT_FAILURE );
-    return 0;
+    return -1;
 }