From a97066da4d95b4cbbc0e306b5d4173e18d584765 Mon Sep 17 00:00:00 2001
From: Matteo Cominetti <matteo@speckle.systems>
Date: Mon, 18 Sep 2023 08:08:54 +0100
Subject: [PATCH] fix(revit): type mapping null reference (#2926)

---
 ConnectorRevit/ConnectorRevit/TypeMapping/ElementTypeMapper.cs | 2 +-
 ConnectorRevit/ConnectorRevit/TypeMapping/FamilyImporter.cs    | 3 ++-
 2 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/ConnectorRevit/ConnectorRevit/TypeMapping/ElementTypeMapper.cs b/ConnectorRevit/ConnectorRevit/TypeMapping/ElementTypeMapper.cs
index 0f7467e700..90360074fe 100644
--- a/ConnectorRevit/ConnectorRevit/TypeMapping/ElementTypeMapper.cs
+++ b/ConnectorRevit/ConnectorRevit/TypeMapping/ElementTypeMapper.cs
@@ -162,7 +162,7 @@ await Dispatcher.UIThread.InvokeAsync<ITypeMap>(() =>
       {
         try
         {
-          familyImporter ??= new FamilyImporter(document, revitCategoriesExposer, typeRetriever);
+          familyImporter ??= new FamilyImporter(document, revitCategoriesExposer, typeRetriever, revitDocumentAggregateCache);
           await familyImporter.ImportFamilyTypes(hostTypesContainer).ConfigureAwait(false);
         }
         catch (SpeckleException ex)
diff --git a/ConnectorRevit/ConnectorRevit/TypeMapping/FamilyImporter.cs b/ConnectorRevit/ConnectorRevit/TypeMapping/FamilyImporter.cs
index c253a1d602..d339077d30 100644
--- a/ConnectorRevit/ConnectorRevit/TypeMapping/FamilyImporter.cs
+++ b/ConnectorRevit/ConnectorRevit/TypeMapping/FamilyImporter.cs
@@ -25,11 +25,12 @@ internal sealed class FamilyImporter
     private readonly IRevitElementTypeRetriever typeRetriever;
     private readonly IRevitDocumentAggregateCache revitDocumentAggregateCache;
 
-    public FamilyImporter(Document document, IAllRevitCategoriesExposer revitCategoriesExposer, IRevitElementTypeRetriever typeRetriever)
+    public FamilyImporter(Document document, IAllRevitCategoriesExposer revitCategoriesExposer, IRevitElementTypeRetriever typeRetriever, IRevitDocumentAggregateCache revitDocumentAggregateCache)
     {
       this.document = document;
       this.revitCategoriesExposer = revitCategoriesExposer;
       this.typeRetriever = typeRetriever;
+      this.revitDocumentAggregateCache = revitDocumentAggregateCache;
     }
 
     /// <summary>