From f0adc40e814bcf42b383b373655e740dcd1bb8ed Mon Sep 17 00:00:00 2001
From: Yair Morgenstern <yairm210@hotmail.com>
Date: Sun, 26 Apr 2020 20:50:09 +0300
Subject: [PATCH] Fixed modification exception when destroying transported
 units

---
 core/src/com/unciv/logic/map/MapUnit.kt | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/core/src/com/unciv/logic/map/MapUnit.kt b/core/src/com/unciv/logic/map/MapUnit.kt
index f73b90791e..9869f28240 100644
--- a/core/src/com/unciv/logic/map/MapUnit.kt
+++ b/core/src/com/unciv/logic/map/MapUnit.kt
@@ -477,7 +477,7 @@ class MapUnit {
         civInfo.removeUnit(this)
         civInfo.updateViewableTiles()
         // all transported units should be destroyed as well
-        currentTile.getUnits().filter { it.isTransported && isTransportTypeOf(it) }
+        currentTile.getUnits().filter { it.isTransported && isTransportTypeOf(it) }.toList() // because we're changing the list
                 .forEach { unit -> unit.destroy() }
     }