From d5426c37791ef4c3a35f3515e614ff86773a4cbe Mon Sep 17 00:00:00 2001
From: Michael Steenbeek <m.o.steenbeek@gmail.com>
Date: Sun, 7 Mar 2021 13:37:23 +0100
Subject: [PATCH] Fix #14123: NPE in map_obstruction_set_error_text()

---
 src/openrct2/world/Map.cpp | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

diff --git a/src/openrct2/world/Map.cpp b/src/openrct2/world/Map.cpp
index 2d6de3c057..9b1be4a87f 100644
--- a/src/openrct2/world/Map.cpp
+++ b/src/openrct2/world/Map.cpp
@@ -1215,7 +1215,8 @@ void map_obstruction_set_error_text(TileElement* tileElement, GameActions::Resul
             sceneryEntry = tileElement->AsSmallScenery()->GetEntry();
             res.ErrorMessage = STR_X_IN_THE_WAY;
             auto ft = Formatter(res.ErrorMessageArgs.data());
-            ft.Add<rct_string_id>(sceneryEntry->name);
+            rct_string_id stringId = sceneryEntry != nullptr ? sceneryEntry->name : static_cast<rct_string_id>(STR_EMPTY);
+            ft.Add<rct_string_id>(stringId);
             break;
         }
         case TILE_ELEMENT_TYPE_ENTRANCE:
@@ -1237,7 +1238,8 @@ void map_obstruction_set_error_text(TileElement* tileElement, GameActions::Resul
             sceneryEntry = tileElement->AsWall()->GetEntry();
             res.ErrorMessage = STR_X_IN_THE_WAY;
             auto ft = Formatter(res.ErrorMessageArgs.data());
-            ft.Add<rct_string_id>(sceneryEntry->name);
+            rct_string_id stringId = sceneryEntry != nullptr ? sceneryEntry->name : static_cast<rct_string_id>(STR_EMPTY);
+            ft.Add<rct_string_id>(stringId);
             break;
         }
         case TILE_ELEMENT_TYPE_LARGE_SCENERY:
@@ -1245,7 +1247,8 @@ void map_obstruction_set_error_text(TileElement* tileElement, GameActions::Resul
             sceneryEntry = tileElement->AsLargeScenery()->GetEntry();
             res.ErrorMessage = STR_X_IN_THE_WAY;
             auto ft = Formatter(res.ErrorMessageArgs.data());
-            ft.Add<rct_string_id>(sceneryEntry->name);
+            rct_string_id stringId = sceneryEntry != nullptr ? sceneryEntry->name : static_cast<rct_string_id>(STR_EMPTY);
+            ft.Add<rct_string_id>(stringId);
             break;
         }
     }