diff --git a/src/main/java/net/Indyuce/mmoitems/api/ItemTier.java b/src/main/java/net/Indyuce/mmoitems/api/ItemTier.java
index 59392df4..3845e856 100644
--- a/src/main/java/net/Indyuce/mmoitems/api/ItemTier.java
+++ b/src/main/java/net/Indyuce/mmoitems/api/ItemTier.java
@@ -3,29 +3,26 @@ package net.Indyuce.mmoitems.api;
 import java.util.ArrayList;
 import java.util.List;
 import java.util.Random;
-import java.util.logging.Level;
 
 import org.bukkit.Bukkit;
 import org.bukkit.ChatColor;
 import org.bukkit.configuration.ConfigurationSection;
 import org.bukkit.inventory.ItemStack;
 
-import net.Indyuce.mmoitems.MMOItems;
 import net.Indyuce.mmoitems.api.droptable.DropTable;
 import net.Indyuce.mmoitems.comp.itemglow.TierColor;
 
 public class ItemTier {
 	private final String name, id;
 	private final UnidentificationInfo unidentificationInfo;
+	private final DropTable deconstruct;
 
 	/*
 	 * item glow. color is an object because we cant let this class import the
 	 * GlowAPI.Color enum since plugin is not a hard dependency.
 	 */
-	private TierColor color;
-	private boolean hint;
-
-	private DropTable deconstruct;
+	private final TierColor color;
+	private final boolean hint;
 
 	private static final Random random = new Random();
 	private static final boolean glow = Bukkit.getPluginManager().getPlugin("GlowAPI") != null;
@@ -33,17 +30,15 @@ public class ItemTier {
 	public ItemTier(ConfigurationSection config) {
 		id = config.getName().toUpperCase().replace("-", "_");
 		name = ChatColor.translateAlternateColorCodes('&', config.getString("name"));
-		if (config.contains("deconstruct-item"))
-			deconstruct = new DropTable(config.getConfigurationSection("deconstruct-item"));
+		deconstruct = config.contains("deconstruct-item") ? new DropTable(config.getConfigurationSection("deconstruct-item")) : null;
 		unidentificationInfo = new UnidentificationInfo(config.getConfigurationSection("unidentification"));
 
-		if (config.contains("item-glow"))
-			try {
-				hint = config.getBoolean("item-glow.hint");
-				color = new TierColor(config.getString("item-glow.color"), glow);
-			} catch (NoClassDefFoundError | IllegalArgumentException | IllegalAccessException | NoSuchFieldException | SecurityException exception) {
-				MMOItems.plugin.getLogger().log(Level.WARNING, "Could not load tier color from '" + config.getString("item-glow.color") + "'");
-			}
+		try {
+			hint = config.contains("item-glow") && config.getBoolean("item-glow.hint");
+			color = config.contains("item-glow") ? new TierColor(config.getString("item-glow.color"), glow) : null;
+		} catch (NoClassDefFoundError | IllegalAccessException | NoSuchFieldException | SecurityException exception) {
+			throw new IllegalArgumentException("Could not load tier color: " + exception.getMessage());
+		}
 	}
 
 	public String getId() {
diff --git a/src/main/java/net/Indyuce/mmoitems/comp/itemglow/TierColor.java b/src/main/java/net/Indyuce/mmoitems/comp/itemglow/TierColor.java
index a41e33b9..ae251d62 100644
--- a/src/main/java/net/Indyuce/mmoitems/comp/itemglow/TierColor.java
+++ b/src/main/java/net/Indyuce/mmoitems/comp/itemglow/TierColor.java
@@ -9,6 +9,7 @@ public class TierColor {
 
 	public TierColor(String format, boolean glow) throws IllegalArgumentException, IllegalAccessException, NoSuchFieldException, SecurityException {
 		Validate.notNull(format, "String must not be null");
+
 		bukkit = (Color) Color.class.getField(format.toUpperCase().replace("-", "_").replace(" ", "_")).get(Color.class);
 		this.glow = glow ? new GlowColor(bukkit) : null;
 	}
diff --git a/src/main/java/net/Indyuce/mmoitems/manager/TierManager.java b/src/main/java/net/Indyuce/mmoitems/manager/TierManager.java
index f6c4da07..7e21be6c 100644
--- a/src/main/java/net/Indyuce/mmoitems/manager/TierManager.java
+++ b/src/main/java/net/Indyuce/mmoitems/manager/TierManager.java
@@ -27,8 +27,8 @@ public class TierManager {
 		for (String key : config.getConfig().getKeys(false))
 			try {
 				register(new ItemTier(config.getConfig().getConfigurationSection(key)));
-			} catch (Exception exception) {
-				MMOItems.plugin.getLogger().log(Level.WARNING, "Could not load item tier " + key);
+			} catch (IllegalArgumentException exception) {
+				MMOItems.plugin.getLogger().log(Level.WARNING, "Could not load item tier '" + key + "': " + exception.getMessage());
 			}
 	}
 
diff --git a/src/main/resources/default/item-tiers.yml b/src/main/resources/default/item-tiers.yml
index dab091b0..5e5de931 100644
--- a/src/main/resources/default/item-tiers.yml
+++ b/src/main/resources/default/item-tiers.yml
@@ -11,7 +11,6 @@ TRASH:
         range: 6
         name: 'Trash'
         prefix: '&8'
-    deconstruct-item: {}
 
 COMMON:
     name: '&7&lCOMMON'
@@ -20,7 +19,6 @@ COMMON:
         range: 6
         name: 'Common'
         prefix: '&7'
-    deconstruct-item: {}
 UNCOMMON:
 
     # Tier name displayed in the item lore. 
@@ -51,7 +49,7 @@ UNCOMMON:
         color: 'GRAY'
     
     deconstruct-item:
-        sucess:
+        success:
             coef: 1
             items:
                 MATERIAL:
@@ -68,7 +66,7 @@ RARE:
         range: 6
         prefix: '&6'
     deconstruct-item:
-        sucess:
+        success:
             coef: 1
             items:
                 MATERIAL:
@@ -85,7 +83,7 @@ VERY_RARE:
         prefix: '&e'
         range: 6
     deconstruct-item:
-        sucess:
+        success:
             coef: 1
             items:
                 MATERIAL:
@@ -102,7 +100,7 @@ LEGENDARY:
         prefix: '&b'
         range: 6
     deconstruct-item:
-        sucess:
+        success:
             coef: 1
             items:
                 MATERIAL:
@@ -119,7 +117,7 @@ MYTHICAL:
         prefix: '&5'
         range: 6
     deconstruct-item:
-        sucess:
+        success:
             coef: 1
             items:
                 MATERIAL:
@@ -136,7 +134,7 @@ EPIC:
         prefix: '&4'
         range: 6
     deconstruct-item:
-        sucess:
+        success:
             coef: 1
             items:
                 MATERIAL:
@@ -154,7 +152,7 @@ MAGICAL:
         prefix: '&2'
         range: 6
     deconstruct-item:
-        sucess:
+        success:
             coef: 1
             items:
                 MATERIAL:
@@ -171,7 +169,7 @@ UNIQUE:
         prefix: '&c'
         range: 6
     deconstruct-item:
-        sucess:
+        success:
             coef: 1
             items:
                 MATERIAL: