diff --git a/src/main/java/serverutils/command/tp/CmdBack.java b/src/main/java/serverutils/command/tp/CmdBack.java
index d2526133..da250bc8 100644
--- a/src/main/java/serverutils/command/tp/CmdBack.java
+++ b/src/main/java/serverutils/command/tp/CmdBack.java
@@ -12,6 +12,7 @@
 import serverutils.lib.command.CmdBase;
 import serverutils.lib.command.CommandUtils;
 import serverutils.lib.data.ForgePlayer;
+import serverutils.lib.math.BlockDimPos;
 import serverutils.lib.util.permission.PermissionAPI;
 
 public class CmdBack extends CmdBase {
@@ -33,6 +34,11 @@ public void processCommand(ICommandSender sender, String[] args) throws CommandE
             throw ServerUtilities.error(sender, "serverutilities.lang.warps.no_dp");
         }
 
+        BlockDimPos noPosFound = new BlockDimPos(0, 0, 0, 0);
+        if (lastTeleportLog.getBlockDimPos().equalsPos(noPosFound)) {
+            throw ServerUtilities.error(sender, "serverutilities.lang.warps.no_pos_found");
+        }
+
         data.checkTeleportCooldown(sender, ServerUtilitiesPlayerData.Timer.BACK);
 
         ServerUtilitiesPlayerData.Timer.BACK.teleport(player, playerMP -> lastTeleportLog.teleporter(), universe -> {
diff --git a/src/main/java/serverutils/data/ServerUtilitiesPlayerData.java b/src/main/java/serverutils/data/ServerUtilitiesPlayerData.java
index 79c8a12d..bea21a1d 100644
--- a/src/main/java/serverutils/data/ServerUtilitiesPlayerData.java
+++ b/src/main/java/serverutils/data/ServerUtilitiesPlayerData.java
@@ -164,7 +164,7 @@ public static ServerUtilitiesPlayerData get(ForgePlayer player) {
     private BlockDimPos lastSafePos;
     private final long[] lastTeleport;
     public final BlockDimPosStorage homes;
-    private TeleportTracker teleportTracker;
+    private final TeleportTracker teleportTracker;
 
     public ServerUtilitiesPlayerData(ForgePlayer player) {
         super(player);
@@ -186,7 +186,7 @@ public NBTTagCompound serializeNBT() {
         nbt.setBoolean("DisableGlobalBadges", disableGlobalBadge);
         nbt.setBoolean("EnablePVP", enablePVP);
         nbt.setTag("Homes", homes.serializeNBT());
-
+        nbt.setTag("TeleportTracker", teleportTracker.serializeNBT());
         nbt.setString("Nickname", nickname);
         nbt.setString("AFK", EnumMessageLocation.NAME_MAP.getName(afkMesageLocation));
         return nbt;
@@ -198,8 +198,7 @@ public void deserializeNBT(NBTTagCompound nbt) {
         disableGlobalBadge = nbt.getBoolean("DisableGlobalBadges");
         enablePVP = !nbt.hasKey("EnablePVP") || nbt.getBoolean("EnablePVP");
         homes.deserializeNBT(nbt.getCompoundTag("Homes"));
-        teleportTracker = new TeleportTracker();
-        teleportTracker.deserializeNBT(nbt.getCompoundTag("teleportTracker"));
+        teleportTracker.deserializeNBT(nbt.getCompoundTag("TeleportTracker"));
         setLastDeath(BlockDimPos.fromIntArray(nbt.getIntArray("LastDeath")), 0);
         nickname = nbt.getString("Nickname");
         afkMesageLocation = EnumMessageLocation.NAME_MAP.get(nbt.getString("AFK"));
diff --git a/src/main/java/serverutils/data/TeleportTracker.java b/src/main/java/serverutils/data/TeleportTracker.java
index 1225e15d..434c19d2 100644
--- a/src/main/java/serverutils/data/TeleportTracker.java
+++ b/src/main/java/serverutils/data/TeleportTracker.java
@@ -14,8 +14,8 @@
 
 public class TeleportTracker implements INBTSerializable<NBTTagCompound> {
 
-    private TeleportLog[] logs;
-    private IPermissionHandler permissionHandler;
+    private final TeleportLog[] logs;
+    private final IPermissionHandler permissionHandler;
 
     public TeleportTracker() {
         this(PermissionAPI.getPermissionHandler());
@@ -63,6 +63,7 @@ public void clearLog(TeleportType teleportType) {
     public NBTTagCompound serializeNBT() {
         NBTTagCompound nbt = new NBTTagCompound();
         for (int i = 0; i < logs.length; i++) {
+            if (logs[i] == null) continue;
             nbt.setTag(String.valueOf(i), logs[i].serializeNBT());
         }
         return nbt;
diff --git a/src/main/resources/assets/serverutilities/lang/en_US.lang b/src/main/resources/assets/serverutilities/lang/en_US.lang
index 6b9de659..e892c7ba 100644
--- a/src/main/resources/assets/serverutilities/lang/en_US.lang
+++ b/src/main/resources/assets/serverutilities/lang/en_US.lang
@@ -435,6 +435,7 @@ serverutilities.lang.warps.not_set=Unknown Warp: '%s'!
 serverutilities.lang.warps.cooldown=You can only use warp in %s!
 serverutilities.lang.warps.tp=Teleported to '%s'!
 serverutilities.lang.warps.no_dp=You can only go back once!
+serverutilities.lang.warps.no_pos_found=No position to go back to!
 
 # Homes
 serverutilities.lang.homes.set=Home '%s' set!