From 64014808746dcf90b988aecb93091e115431eb67 Mon Sep 17 00:00:00 2001
From: Luck <git@lucko.me>
Date: Sun, 19 Nov 2017 19:09:21 +0000
Subject: [PATCH] Fix compiling null AssignmentExpressions

---
 .../luckperms/common/assignments/AssignmentExpression.java     | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/common/src/main/java/me/lucko/luckperms/common/assignments/AssignmentExpression.java b/common/src/main/java/me/lucko/luckperms/common/assignments/AssignmentExpression.java
index 7bdc10c5a..4010b9c2b 100644
--- a/common/src/main/java/me/lucko/luckperms/common/assignments/AssignmentExpression.java
+++ b/common/src/main/java/me/lucko/luckperms/common/assignments/AssignmentExpression.java
@@ -42,6 +42,9 @@ import javax.script.ScriptEngine;
 public class AssignmentExpression {
 
     public static AssignmentExpression compile(String expression) {
+        if (expression == null) {
+            return null;
+        }
         return new AssignmentExpression(expression);
     }