From dd05acc2fbc4a55e65715b799810e37368cf83b0 Mon Sep 17 00:00:00 2001
From: Tomas Mizera <tomas.mizera@lutraconsulting.co.uk>
Date: Fri, 19 Jul 2024 15:43:46 +0200
Subject: [PATCH] Fix invalid layer in value relation field

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

diff --git a/app/featuresmodel.cpp b/app/featuresmodel.cpp
index 98cde7cbe..43c34f1b4 100644
--- a/app/featuresmodel.cpp
+++ b/app/featuresmodel.cpp
@@ -158,6 +158,12 @@ int FeaturesModel::rowCount( const QModelIndex &parent ) const
 
 QVariant FeaturesModel::featureTitle( const FeatureLayerPair &featurePair ) const
 {
+  if ( !featurePair.layer() || !featurePair.layer()->isValid() ) 
+  {
+    CoreUtils::log( QStringLiteral( "Features Model" ), QStringLiteral( "Received invalid feature layer pair!" ) );
+    return tr( "Unknown title" );
+  }
+
   QString title;
 
   QgsExpressionContext context( QgsExpressionContextUtils::globalProjectLayerScopes( featurePair.layer() ) );