From 05814dca155e593bac3262429c5d8d5b99e566f7 Mon Sep 17 00:00:00 2001
From: Anthony Calosa <anthonycalosa@gmail.com>
Date: Thu, 6 Apr 2023 07:35:53 +0800
Subject: [PATCH] try to fix NPE

---
 .../src/forge/screens/match/views/VStack.java         | 11 +++++++----
 1 file changed, 7 insertions(+), 4 deletions(-)

diff --git a/forge-gui-mobile/src/forge/screens/match/views/VStack.java b/forge-gui-mobile/src/forge/screens/match/views/VStack.java
index f457faa80c4..071489f54f2 100644
--- a/forge-gui-mobile/src/forge/screens/match/views/VStack.java
+++ b/forge-gui-mobile/src/forge/screens/match/views/VStack.java
@@ -74,10 +74,13 @@ public class VStack extends FDropDown {
 
         final Set<ZoneType> zones = new HashSet<>();
         playersWithValidTargets = new HashMap<>();
-        for (final CardView c : activeStackInstance.getTargetCards()) {
-            if (c.getZone() != null) {
-                zones.add(c.getZone());
-                playersWithValidTargets.put(c.getController(), c);
+        FCollectionView<CardView> targetCards = activeStackInstance.getTargetCards();
+        if (targetCards != null) {
+            for (final CardView c : targetCards) {
+                if (c.getZone() != null) {
+                    zones.add(c.getZone());
+                    playersWithValidTargets.put(c.getController(), c);
+                }
             }
         }
         if (zones.isEmpty() || playersWithValidTargets.isEmpty()) { return; }