From 74bd989c9e1ef384820fbf2db210a8a5e6c76807 Mon Sep 17 00:00:00 2001
From: Alessandro Pasotti <elpaso@itopen.it>
Date: Tue, 28 Jan 2020 13:53:33 +0100
Subject: [PATCH] Fix crash on map themes manager and null layers

Fixes #33295
---
 src/core/qgsmapthemecollection.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/core/qgsmapthemecollection.cpp b/src/core/qgsmapthemecollection.cpp
index d236dbe0b714..47dfd1e26390 100644
--- a/src/core/qgsmapthemecollection.cpp
+++ b/src/core/qgsmapthemecollection.cpp
@@ -93,7 +93,7 @@ void QgsMapThemeCollection::createThemeFromCurrentState( QgsLayerTreeGroup *pare
     else if ( QgsLayerTree::isLayer( node ) )
     {
       QgsLayerTreeLayer *nodeLayer = QgsLayerTree::toLayer( node );
-      if ( node->itemVisibilityChecked() != Qt::Unchecked )
+      if ( node->itemVisibilityChecked() != Qt::Unchecked && nodeLayer->layer() )
         rec.mLayerRecords << createThemeLayerRecord( nodeLayer, model );
     }
   }