From 038caba1487c8e90385114e5a58938d2f713e29f Mon Sep 17 00:00:00 2001
From: asl <asl@opencascade.com>
Date: Thu, 9 Nov 2017 18:46:55 +0300
Subject: [PATCH] refs #1377: patch for crash

---
 src/HYDROGUI/HYDROGUI_Module.cxx | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/HYDROGUI/HYDROGUI_Module.cxx b/src/HYDROGUI/HYDROGUI_Module.cxx
index ff078d9f..c4e65d63 100644
--- a/src/HYDROGUI/HYDROGUI_Module.cxx
+++ b/src/HYDROGUI/HYDROGUI_Module.cxx
@@ -293,6 +293,9 @@ bool HYDROGUI_Module::deactivateModule( SUIT_Study* theStudy )
   HYDROGUI_Tool::setOCCActionShown( this, OCCViewer_ViewWindow::MaximizedId, true );
 
   myActiveOperationMap.clear();
+
+  myViewManagerMap.clear();
+
   return LightApp_Module::deactivateModule( theStudy );
 }
 
-- 
2.39.2