From 421daa3d19b8cfba599064c330538b6ad2bc0114 Mon Sep 17 00:00:00 2001
From: Thomas Krijnen <t.krijnen@gmail.com>
Date: Sun, 30 Dec 2018 12:55:17 +0100
Subject: [PATCH] Work-around for invalid IfcOrganization instances

---
 src/ifcgeom/IfcGeomFunctions.cpp | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/src/ifcgeom/IfcGeomFunctions.cpp b/src/ifcgeom/IfcGeomFunctions.cpp
index e7698fabdd..10c3e533d7 100644
--- a/src/ifcgeom/IfcGeomFunctions.cpp
+++ b/src/ifcgeom/IfcGeomFunctions.cpp
@@ -1639,7 +1639,12 @@ IfcGeom::BRepElement<P, PP>* IfcGeom::Kernel::create_brep_for_representation_and
 			if (rel->as<IfcSchema::IfcRelDefinesByProperties>()) {
 				auto pdef = rel->as<IfcSchema::IfcRelDefinesByProperties>()->RelatingPropertyDefinition();
 				if (pdef->as<IfcSchema::IfcElementQuantity>()) {
-					if (pdef->as<IfcSchema::IfcElementQuantity>()->OwnerHistory()->OwningApplication()->ApplicationDeveloper()->Name() == "IfcOpenShell") {
+					std::string organization_name;
+					try {
+						// A couple of files are not according to the schema here.
+						organization_name = pdef->as<IfcSchema::IfcElementQuantity>()->OwnerHistory()->OwningApplication()->ApplicationDeveloper()->Name();
+					} catch (...) {}
+					if (organization_name == "IfcOpenShell") {
 						auto qs = pdef->as<IfcSchema::IfcElementQuantity>()->Quantities();
 						for (auto& q : *qs) {
 							if (q->as<IfcSchema::IfcQuantityArea>() && q->Name() == "Total Surface Area") {