From b473844dccca5c7ba27ae62fe2aa7f30fe3420b2 Mon Sep 17 00:00:00 2001
From: Kathy <kruffing@volian.com>
Date: Mon, 11 May 2020 15:32:29 +0000
Subject: [PATCH] B2020-069: Crash when deleting Working Draft

---
 PROMS/VEPROMS.CSLA.Library/Config/DocVersionConfig.cs | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/PROMS/VEPROMS.CSLA.Library/Config/DocVersionConfig.cs b/PROMS/VEPROMS.CSLA.Library/Config/DocVersionConfig.cs
index 11629d68..3fb5da71 100644
--- a/PROMS/VEPROMS.CSLA.Library/Config/DocVersionConfig.cs
+++ b/PROMS/VEPROMS.CSLA.Library/Config/DocVersionConfig.cs
@@ -125,8 +125,9 @@ namespace VEPROMS.CSLA.Library
 		}
 		public void RemoveEnhancedLink(int dvid)
 		{
-			// from this config, remove the link to the input dvid:
+			// from this config, remove the link to the input dvid (DocVersionId:
 			XmlNode xnx = _Xp.XmlContents.SelectSingleNode(string.Format("//Enhanced[@VersionID='{0}']", dvid));
+			if (xnx == null) return;		// B2020-069: check for null reference before accessing xnx.  
 			xnx.ParentNode.RemoveChild(xnx);
 		}
 		private DVEnhancedDocuments _MyEnhancedDocuments = null;