From 34fac2c85e2071e48160ca327de1011e5f16fa7d Mon Sep 17 00:00:00 2001
From: Lucas Nicodemus <shank@shanked.me>
Date: Sat, 4 Jul 2015 22:30:28 -0600
Subject: [PATCH] Nullcheck banning a player with no known ips

---
 TShockAPI/Commands.cs | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/TShockAPI/Commands.cs b/TShockAPI/Commands.cs
index 9058e916..95dedc3e 100755
--- a/TShockAPI/Commands.cs
+++ b/TShockAPI/Commands.cs
@@ -1234,7 +1234,12 @@ namespace TShockAPI
 									args.Player.SendErrorMessage("You can't ban {0}!", user.Name);
 								else
 								{
-									var knownIps = JsonConvert.DeserializeObject<List<string>>(user.KnownIps);
+									if (user.KnownIps == null)
+									{
+										args.Player.SendErrorMessage("Cannot ban {0} because they have no IPs to ban.", user.Name);
+										return;
+									}
+									var knownIps = JsonConvert.DeserializeObject<List<string>>(user.KnownIps);										
 									TShock.Bans.AddBan(knownIps.Last(), user.Name, user.UUID, reason, false, args.Player.User.Name);
 									if (String.IsNullOrWhiteSpace(args.Player.User.Name))
 									{