diff --git a/src/main/java/de/iani/treasurechest/TreasureChest.java b/src/main/java/de/iani/treasurechest/TreasureChest.java
index bed9ec1..c99cc54 100644
--- a/src/main/java/de/iani/treasurechest/TreasureChest.java
+++ b/src/main/java/de/iani/treasurechest/TreasureChest.java
@@ -56,7 +56,7 @@
         playerUUIDCache = (PlayerUUIDCache) getServer().getPluginManager().getPlugin("PlayerUUIDCache");
         readConfig();
         try {
-            database = new TreasureChestDatabase(sqlConfig);
+            database = new TreasureChestDatabase(this, sqlConfig);
         } catch (SQLException e) {
             getLogger().log(Level.SEVERE, "Could not connect to database: " + e.getMessage(), e);
             setEnabled(false);
diff --git a/src/main/java/de/iani/treasurechest/database/TreasureChestDatabase.java b/src/main/java/de/iani/treasurechest/database/TreasureChestDatabase.java
index 6616037..09f9bce 100644
--- a/src/main/java/de/iani/treasurechest/database/TreasureChestDatabase.java
+++ b/src/main/java/de/iani/treasurechest/database/TreasureChestDatabase.java
@@ -1,5 +1,10 @@
 package de.iani.treasurechest.database;
 
+import de.iani.treasurechest.TreasureChest;
+import de.iani.treasurechest.TreasureChestItem;
+import de.iani.treasurechest.util.sql.MySQLConnection;
+import de.iani.treasurechest.util.sql.SQLConnection;
+import de.iani.treasurechest.util.sql.SQLRunnable;
 import java.sql.Connection;
 import java.sql.PreparedStatement;
 import java.sql.ResultSet;
@@ -7,19 +12,15 @@
 import java.sql.Statement;
 import java.util.ArrayList;
 import java.util.UUID;
-
+import java.util.logging.Level;
 import org.bukkit.Material;
 import org.bukkit.configuration.ConfigurationSection;
 import org.bukkit.configuration.InvalidConfigurationException;
 import org.bukkit.configuration.file.YamlConfiguration;
 import org.bukkit.inventory.ItemStack;
 
-import de.iani.treasurechest.TreasureChestItem;
-import de.iani.treasurechest.util.sql.MySQLConnection;
-import de.iani.treasurechest.util.sql.SQLConnection;
-import de.iani.treasurechest.util.sql.SQLRunnable;
-
 public class TreasureChestDatabase {
+    private final TreasureChest plugin;
     private final SQLConnection connection;
 
     private final String tableName;
@@ -29,7 +30,8 @@
     private final String removeContent;
     private final String removeOldContent;
 
-    public TreasureChestDatabase(SQLConfig config) throws SQLException {
+    public TreasureChestDatabase(TreasureChest plugin, SQLConfig config) throws SQLException {
+        this.plugin = plugin;
         connection = new MySQLConnection(config.getHost(), config.getDatabase(), config.getUser(), config.getPassword());
         this.tableName = config.getTablePrefix() + "_content";
 
@@ -115,11 +117,13 @@
                     try {
                         conf.loadFromString(content);
                     } catch (InvalidConfigurationException e) {
-                        e.printStackTrace();
+                        plugin.getLogger().log(Level.WARNING, "Could not load treasure chest item " + id + " for player " + owner, e);
+                        continue;
                     }
                     ItemStack displayItem = conf.getItemStack("display");
                     if (displayItem == null || displayItem.getAmount() == 0 || displayItem.getType() == Material.AIR) {
-                        displayItem = new ItemStack(Material.BEDROCK);
+                        plugin.getLogger().log(Level.WARNING, "No display item for item " + id + " for player " + owner);
+                        continue;
                     }
                     ArrayList<ItemStack> stacks = new ArrayList<>();
                     ConfigurationSection itemsSection = conf.getConfigurationSection("items");