Core/Transports: Fixed accessing deleted instance transports

Thanks @jackpoz for valgrind log and @pete318 for reproduction steps

Closes #15633

1 files changed, 7 insertions, 0 deletions

diff --git a/src/server/game/Maps/Map.cpp b/src/server/game/Maps/Map.cpp
index 1e35722202c..85cc87eaa6e 100644
--- a/src/server/game/Maps/Map.cpp
+++ b/src/server/game/Maps/Map.cpp
@@ -404,6 +404,13 @@ void Map::DeleteFromWorld(Player* player)
     delete player;
 }
 
+template<>
+void Map::DeleteFromWorld(Transport* transport)
+{
+    ObjectAccessor::RemoveObject(transport);
+    delete transport;
+}
+
 void Map::EnsureGridCreated(const GridCoord &p)
 {
     std::lock_guard<std::mutex> lock(_gridLock);