From b58ebed6821bc5ecd458adf347ff9b0650fa8f4d Mon Sep 17 00:00:00 2001
From: Arthur van de Vondervoort <arthur.vandevondervoort@vanroey.be>
Date: Thu, 15 Feb 2024 17:53:39 +0100
Subject: [PATCH] Resolve NullReferenceException

---
 Design/Rule0039ArgumentDifferentTypeThenExpected.cs | 1 +
 1 file changed, 1 insertion(+)

diff --git a/Design/Rule0039ArgumentDifferentTypeThenExpected.cs b/Design/Rule0039ArgumentDifferentTypeThenExpected.cs
index cd967dee..52601929 100644
--- a/Design/Rule0039ArgumentDifferentTypeThenExpected.cs
+++ b/Design/Rule0039ArgumentDifferentTypeThenExpected.cs
@@ -97,6 +97,7 @@ private void AnalyzeTableReferencePageProvider(SymbolAnalysisContext ctx)
                 IPropertySymbol pageReference = table.GetProperty(propertyKind);
                 if (pageReference == null) continue;
                 IPageTypeSymbol page = (IPageTypeSymbol)pageReference.Value;
+                if (page == null) continue;
                 ITableTypeSymbol pageSourceTable = page.RelatedTable;
                 if (pageSourceTable == null) continue;