Fix rare QNB crash when leaving a single-player world (#7739)

Got an NPE when leaving a single player world because it was trying to destroy this QNB cluster (that had no center).
AppliedEnergistics · Mar 10, 2024 · e5193b6 · e5193b6
1 parent 796bb46
commit e5193b6
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/src/main/java/appeng/me/cluster/implementations/QuantumCluster.java b/src/main/java/appeng/me/cluster/implementations/QuantumCluster.java
@@ -61,7 +61,7 @@ public QuantumCluster(BlockPos min, BlockPos max) {
 
     @SubscribeEvent
     public void onUnload(final LevelEvent.Unload e) {
-        if (this.center.getLevel() == e.getLevel()) {
+        if (this.center != null && this.center.getLevel() == e.getLevel()) {
             this.setUpdateStatus(false);
             this.destroy();
         }