From a877aeb1833a76c0c38a4a5da3920f539a5f4d98 Mon Sep 17 00:00:00 2001
From: Edwin Lee <leeed2001@gmail.com>
Date: Thu, 3 Oct 2024 10:08:01 -0500
Subject: [PATCH] Allow null mat but check before accessing it

---
 src/EnergyPlus/MoistureBalanceEMPDManager.cc | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/EnergyPlus/MoistureBalanceEMPDManager.cc b/src/EnergyPlus/MoistureBalanceEMPDManager.cc
index 92a145ce920..f3cc5f01728 100644
--- a/src/EnergyPlus/MoistureBalanceEMPDManager.cc
+++ b/src/EnergyPlus/MoistureBalanceEMPDManager.cc
@@ -249,9 +249,9 @@ void GetMoistureBalanceEMPDInput(EnergyPlusData &state)
 
         auto const &constr = state.dataConstruction->Construct(surf.Construction);
         auto const *mat = dynamic_cast<const MaterialEMPD *>(s_mat->materials(constr.LayerPoint(constr.TotLayers)));
-        assert(mat != nullptr);
+        // assert(mat != nullptr);
 
-        if (mat->mu > 0.0 && surf.Zone > 0) {
+        if (mat && mat->mu > 0.0 && surf.Zone > 0) {
             EMPDzone(surf.Zone) = true;
         } else {
             ++state.dataMoistureBalEMPD->ErrCount;