From 5604cff6bfa0a1f2d66bfd9775e7686db8c8d3e1 Mon Sep 17 00:00:00 2001
From: Klaus Basan <klaus.basan@klausbasan.de>
Date: Sat, 15 Feb 2020 23:32:56 +0100
Subject: [PATCH] Ref T773, audit "null" elevation if tried to be stored

---
 src/blackmisc/simulation/simulationenvironmentprovider.cpp | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/src/blackmisc/simulation/simulationenvironmentprovider.cpp b/src/blackmisc/simulation/simulationenvironmentprovider.cpp
index 2b9dd8372..019957284 100644
--- a/src/blackmisc/simulation/simulationenvironmentprovider.cpp
+++ b/src/blackmisc/simulation/simulationenvironmentprovider.cpp
@@ -56,7 +56,11 @@ namespace BlackMisc
 
         bool ISimulationEnvironmentProvider::rememberGroundElevation(const CCallsign &requestedForCallsign, const CElevationPlane &elevationPlane)
         {
-            if (!elevationPlane.hasMSLGeodeticHeight()) { return false; }
+            if (!elevationPlane.hasMSLGeodeticHeight())
+            {
+                BLACK_AUDIT_X(false, Q_FUNC_INFO, "Elevation plane needs to be MSL NON NULL");
+                return false;
+            }
             return this->rememberGroundElevation(requestedForCallsign, elevationPlane, elevationPlane.getRadius());
         }