diff --git a/pom.xml b/pom.xml
index 2d610e9..bb961b0 100644
--- a/pom.xml
+++ b/pom.xml
@@ -2,7 +2,7 @@
     <groupId>com.songoda</groupId>
     <artifactId>EpicHoppers</artifactId>
     <modelVersion>4.0.0</modelVersion>
-    <version>4.6.5</version>
+    <version>4.6.6</version>
     <build>
         <defaultGoal>clean install</defaultGoal>
         <finalName>EpicHoppers-${project.version}</finalName>
@@ -103,6 +103,11 @@
             <artifactId>spigot</artifactId>
             <version>1.15</version>
         </dependency>
+        <dependency>
+            <groupId>com.songoda</groupId>
+            <artifactId>skyblock</artifactId>
+            <version>2.2.13</version>
+        </dependency>
         <dependency>
             <groupId>com.songoda</groupId>
             <artifactId>SongodaCore</artifactId>
diff --git a/src/main/java/com/songoda/epichoppers/EpicHoppers.java b/src/main/java/com/songoda/epichoppers/EpicHoppers.java
index f4b2a1e..7a3624e 100644
--- a/src/main/java/com/songoda/epichoppers/EpicHoppers.java
+++ b/src/main/java/com/songoda/epichoppers/EpicHoppers.java
@@ -16,6 +16,7 @@ import com.songoda.core.nms.nbt.NBTItem;
 import com.songoda.epichoppers.boost.BoostData;
 import com.songoda.epichoppers.boost.BoostManager;
 import com.songoda.epichoppers.commands.*;
+import com.songoda.epichoppers.compatiility.EpicHoppersPermission;
 import com.songoda.epichoppers.database.DataManager;
 import com.songoda.epichoppers.database.migrations._1_InitialMigration;
 import com.songoda.epichoppers.handlers.TeleportHandler;
@@ -32,6 +33,7 @@ import com.songoda.epichoppers.storage.types.StorageYaml;
 import com.songoda.epichoppers.tasks.HopTask;
 import com.songoda.epichoppers.utils.Methods;
 import com.songoda.epichoppers.utils.TeleportTrigger;
+import com.songoda.skyblock.SkyBlock;
 import org.bukkit.Bukkit;
 import org.bukkit.ChatColor;
 import org.bukkit.Location;
@@ -226,6 +228,10 @@ public class EpicHoppers extends SongodaPlugin {
         pluginManager.registerEvents(new InteractListeners(this), this);
         pluginManager.registerEvents(new InventoryListeners(), this);
 
+        if (pluginManager.isPluginEnabled("FabledSkyBlock")) {
+            SkyBlock.getInstance().getPermissionManager().registerPermission(new EpicHoppersPermission());
+        }
+
         // Check for liquid tanks
         if (pluginManager.isPluginEnabled("LiquidTanks")) liquidtanks = true;
 
diff --git a/src/main/java/com/songoda/epichoppers/compatiility/EpicHoppersPermission.java b/src/main/java/com/songoda/epichoppers/compatiility/EpicHoppersPermission.java
new file mode 100644
index 0000000..f68d47b
--- /dev/null
+++ b/src/main/java/com/songoda/epichoppers/compatiility/EpicHoppersPermission.java
@@ -0,0 +1,13 @@
+package com.songoda.epichoppers.compatiility;
+
+import com.songoda.skyblock.core.compatibility.CompatibleMaterial;
+import com.songoda.skyblock.permission.BasicPermission;
+import com.songoda.skyblock.permission.PermissionType;
+
+public class EpicHoppersPermission extends BasicPermission {
+
+    public EpicHoppersPermission() {
+        super("EpicHoppers", CompatibleMaterial.HOPPER, PermissionType.GENERIC);
+    }
+
+}
diff --git a/src/main/java/com/songoda/epichoppers/database/DataManager.java b/src/main/java/com/songoda/epichoppers/database/DataManager.java
index e05f8f7..616feb3 100644
--- a/src/main/java/com/songoda/epichoppers/database/DataManager.java
+++ b/src/main/java/com/songoda/epichoppers/database/DataManager.java
@@ -172,20 +172,20 @@ public class DataManager extends DataManagerAbstract {
             Map<ItemStack, ItemType> items = new HashMap<>();
             Filter filter = hopper.getFilter();
 
-                for (ItemStack item : filter.getWhiteList())
-                    items.put(item, ItemType.WHITELIST);
+            for (ItemStack item : filter.getWhiteList())
+                items.put(item, ItemType.WHITELIST);
 
-                for (ItemStack item : filter.getBlackList())
-                    items.put(item, ItemType.BLACKLIST);
+            for (ItemStack item : filter.getBlackList())
+                items.put(item, ItemType.BLACKLIST);
 
-                for (ItemStack item : filter.getVoidList())
-                    items.put(item, ItemType.VOID);
+            for (ItemStack item : filter.getVoidList())
+                items.put(item, ItemType.VOID);
 
-                for (ItemStack item : filter.getAutoSellWhiteList())
-                    items.put(item, ItemType.AUTO_SELL_WHITELIST);
+            for (ItemStack item : filter.getAutoSellWhiteList())
+                items.put(item, ItemType.AUTO_SELL_WHITELIST);
 
-                for (ItemStack item : filter.getAutoSellBlackList())
-                    items.put(item, ItemType.AUTO_SELL_BLACKLIST);
+            for (ItemStack item : filter.getAutoSellBlackList())
+                items.put(item, ItemType.AUTO_SELL_BLACKLIST);
 
             String createItem = "INSERT INTO " + this.getTablePrefix() + "items (hopper_id, item_type, item) VALUES (?, ?, ?)";
             try (PreparedStatement statement = connection.prepareStatement(createItem)) {
@@ -218,17 +218,17 @@ public class DataManager extends DataManagerAbstract {
                 for (Map.Entry<Location, LinkType> entry : links.entrySet()) {
                     statement.setInt(1, hopper.getId());
 
-                statement.setString(2,entry.getValue().name());
+                    statement.setString(2, entry.getValue().name());
 
-                Location location = entry.getKey();
-                statement.setString(3, location.getWorld().getName());
-                statement.setInt(4, location.getBlockX());
-                statement.setInt(5, location.getBlockY());
-                statement.setInt(6, location.getBlockZ());
-                statement.addBatch();
+                    Location location = entry.getKey();
+                    statement.setString(3, location.getWorld().getName());
+                    statement.setInt(4, location.getBlockX());
+                    statement.setInt(5, location.getBlockY());
+                    statement.setInt(6, location.getBlockZ());
+                    statement.addBatch();
+                }
+                statement.executeBatch();
             }
-            statement.executeBatch();
-        }
         }), "create");
     }
 
@@ -327,8 +327,10 @@ public class DataManager extends DataManagerAbstract {
                     int z = result.getInt("z");
                     Location location = new Location(world, x, y, z);
 
+                    Hopper hopper = hoppers.get(id);
+                    if (hopper == null) break;
 
-                    hoppers.get(id).addLinkedBlock(location, type);
+                    hopper.addLinkedBlock(location, type);
                 }
             }
 
@@ -347,8 +349,11 @@ public class DataManager extends DataManagerAbstract {
                         e.printStackTrace();
                     }
 
+                    Hopper hopper = hoppers.get(id);
+                    if (hopper == null) break;
+
                     if (item != null)
-                        hoppers.get(id).getFilter().addItem(item, type);
+                        hopper.getFilter().addItem(item, type);
                 }
             }
             this.sync(() -> callback.accept(hoppers));
diff --git a/src/main/java/com/songoda/epichoppers/listeners/InteractListeners.java b/src/main/java/com/songoda/epichoppers/listeners/InteractListeners.java
index 54bcb8c..44a3913 100644
--- a/src/main/java/com/songoda/epichoppers/listeners/InteractListeners.java
+++ b/src/main/java/com/songoda/epichoppers/listeners/InteractListeners.java
@@ -8,6 +8,8 @@ import com.songoda.epichoppers.player.SyncType;
 import com.songoda.epichoppers.settings.Settings;
 import com.songoda.epichoppers.utils.Methods;
 import com.songoda.epichoppers.utils.TeleportTrigger;
+import com.songoda.skyblock.SkyBlock;
+import org.bukkit.Bukkit;
 import org.bukkit.Location;
 import org.bukkit.Material;
 import org.bukkit.block.BlockFace;
@@ -64,6 +66,16 @@ public class InteractListeners implements Listener {
         if (WorldGuardHook.isInteractAllowed(event.getClickedBlock().getLocation()))
             return;
 
+        if (Bukkit.getPluginManager().isPluginEnabled("FabledSkyBlock")) {
+            SkyBlock skyBlock = SkyBlock.getInstance();
+
+            if (skyBlock.getWorldManager().isIslandWorld(event.getPlayer().getWorld()))
+                if (!skyBlock.getPermissionManager().hasPermission(event.getPlayer(),
+                        skyBlock.getIslandManager().getIslandAtLocation(event.getClickedBlock().getLocation()),
+                        "EpicHoppers"))
+                    return;
+        }
+
         PlayerData playerData = instance.getPlayerDataManager().getPlayerData(player);
 
         if (playerData.getSyncType() == null) {