From dc65a4bd3999e030f8427bed68756fac4abe76a8 Mon Sep 17 00:00:00 2001
From: Gabriele C <sgdc3.mail@gmail.com>
Date: Thu, 5 May 2016 19:16:08 +0200
Subject: [PATCH] Fix #439

---
 .../java/fr/xephi/authme/permission/PermissionsManager.java   | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/main/java/fr/xephi/authme/permission/PermissionsManager.java b/src/main/java/fr/xephi/authme/permission/PermissionsManager.java
index 388eed9e..9245a6a9 100644
--- a/src/main/java/fr/xephi/authme/permission/PermissionsManager.java
+++ b/src/main/java/fr/xephi/authme/permission/PermissionsManager.java
@@ -555,6 +555,10 @@ public class PermissionsManager implements PermissionsService {
         switch (this.permsType) {
             case PERMISSIONS_EX:
                 // Permissions Ex
+                if(!PermissionsEx.getPermissionManager().getGroupNames().contains(groupName)) {
+                    ConsoleLogger.showError("The plugin tried to set " + player + "'s group to " + groupName + ", but it doesn't exist!");
+                    return false;
+                }
                 PermissionUser user = PermissionsEx.getUser(player);
                 user.addGroup(groupName);
                 return true;