From f37520cae17b50de63ceda4504d565ffd3ad0b31 Mon Sep 17 00:00:00 2001
From: Jesse Boyd <jessepaleg@gmail.com>
Date: Fri, 28 Apr 2017 13:16:27 +1000
Subject: [PATCH] Fixes #517

---
 .../com/sk89q/worldedit/function/entity/ExtentEntityCopy.java   | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/core/src/main/java/com/sk89q/worldedit/function/entity/ExtentEntityCopy.java b/core/src/main/java/com/sk89q/worldedit/function/entity/ExtentEntityCopy.java
index 3cc799ea..0726f75b 100644
--- a/core/src/main/java/com/sk89q/worldedit/function/entity/ExtentEntityCopy.java
+++ b/core/src/main/java/com/sk89q/worldedit/function/entity/ExtentEntityCopy.java
@@ -180,7 +180,7 @@ public class ExtentEntityCopy implements EntityFunction {
             }
 
             ListTag rotation = tag.getListTag("Rotation");
-            if (rotation != null) {
+            if (rotation != null && rotation.getValue().size() >= 2) {
                 double yaw = Math.toRadians(rotation.getFloat(0));
                 double pitch = Math.toRadians(rotation.getFloat(1));