From 2081dc4c0856a839acc1dd49d4636b822158a760 Mon Sep 17 00:00:00 2001
From: Thomas Krijnen <t.krijnen@gmail.com>
Date: Sat, 23 Apr 2022 10:51:16 +0200
Subject: [PATCH] #2156 Don't try to convert unset placements in element
 hierarchy parsing

---
 src/ifcgeom/IfcGeomIteratorImplementation.h | 14 ++++++++------
 1 file changed, 8 insertions(+), 6 deletions(-)

diff --git a/src/ifcgeom/IfcGeomIteratorImplementation.h b/src/ifcgeom/IfcGeomIteratorImplementation.h
index 24074078ef..d809383325 100644
--- a/src/ifcgeom/IfcGeomIteratorImplementation.h
+++ b/src/ifcgeom/IfcGeomIteratorImplementation.h
@@ -1045,12 +1045,14 @@ namespace IfcGeom {
 						Logger::Error("Failed to find decomposing entity");
 					}
 
-					try {
-						kernel.convert(ifc_product->ObjectPlacement(), trsf);
-					} catch (const std::exception& e) {
-						Logger::Error(e);
-					} catch (...) {
-						Logger::Error("Failed to construct placement");
+					if (ifc_product->ObjectPlacement()) {
+						try {
+							kernel.convert(ifc_product->ObjectPlacement(), trsf);
+						} catch (const std::exception& e) {
+							Logger::Error(e);
+						} catch (...) {
+							Logger::Error("Failed to construct placement");
+						}
 					}
 				}
 			} catch (const std::exception& e) {