From 41fe6409d36dc3735a888d8e527966ae094984a5 Mon Sep 17 00:00:00 2001
From: axatin <95587882+axatin@users.noreply.github.com>
Date: Fri, 2 Aug 2024 20:47:35 +0200
Subject: [PATCH] Fix crash (#11194)

---
 CvGameCoreDLL_Expansion2/CvPlayer.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/CvGameCoreDLL_Expansion2/CvPlayer.cpp b/CvGameCoreDLL_Expansion2/CvPlayer.cpp
index 508e326c27..3526db0129 100644
--- a/CvGameCoreDLL_Expansion2/CvPlayer.cpp
+++ b/CvGameCoreDLL_Expansion2/CvPlayer.cpp
@@ -16009,7 +16009,7 @@ bool CvPlayer::IsBuildBlockedByFeature(BuildTypes eBuild, FeatureTypes eFeature,
 		return false;
 	}
 
-	if (bTestEra && ((GetCurrentEra() + 1) >= GC.getTechInfo((TechTypes)GC.getBuildInfo(eBuild)->getTechPrereq())->GetEra()))
+	if (bTestEra && (TechTypes)GC.getBuildInfo(eBuild)->getTechPrereq() != NO_TECH && ((GetCurrentEra() + 1) >= GC.getTechInfo((TechTypes)GC.getBuildInfo(eBuild)->getTechPrereq())->GetEra()))
 	{
 		return false;
 	}