From 5f4308cda013fc0c3459a440a6f0da58dd7dd310 Mon Sep 17 00:00:00 2001
From: Matthias Kuhn <matthias@opengis.ch>
Date: Mon, 18 Mar 2019 17:37:03 +0100
Subject: [PATCH] Do not crash after fixing invalid geometries

---
 src/app/qgsgeometryvalidationmodel.cpp | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/src/app/qgsgeometryvalidationmodel.cpp b/src/app/qgsgeometryvalidationmodel.cpp
index 828d0cf4a7b2..c8c4588e3c13 100644
--- a/src/app/qgsgeometryvalidationmodel.cpp
+++ b/src/app/qgsgeometryvalidationmodel.cpp
@@ -191,12 +191,18 @@ QVariant QgsGeometryValidationModel::data( const QModelIndex &index, int role )
 
       case ErrorLocationGeometryRole:
       {
+        if ( featureItem.errors.empty() )
+          return QVariant();
+
         QgsSingleGeometryCheckError *error = featureItem.errors.first().get();
         return error->errorLocation();
       }
 
       case ProblemExtentRole:
       {
+        if ( featureItem.errors.empty() )
+          return QVariant();
+
         QgsSingleGeometryCheckError *error = featureItem.errors.first().get();
         return error->errorLocation().boundingBox();
       }