diff --git a/build.gradle b/build.gradle
index 24dade5..6a7734d 100644
--- a/build.gradle
+++ b/build.gradle
@@ -5,7 +5,7 @@ plugins {
 }
 
 group 'sh.okx'
-version '3.5.6'
+version '3.5.7'
 
 repositories {
     mavenCentral()
@@ -29,7 +29,7 @@ repositories {
 
 dependencies {
     testCompile group: 'junit', name: 'junit', version: '4.12'
-    compile 'org.spigotmc:spigot-api:1.13.2-R0.1-SNAPSHOT'
+    compile 'org.spigotmc:spigot-api:1.14.4-R0.1-SNAPSHOT'
 
     compile('net.milkbowl.vault:VaultAPI:1.7') {
         exclude group: 'org.bukkit'
diff --git a/src/main/java/sh/okx/rankup/Metrics.java b/src/main/java/sh/okx/rankup/Metrics.java
index ed89c6e..eb42ff3 100644
--- a/src/main/java/sh/okx/rankup/Metrics.java
+++ b/src/main/java/sh/okx/rankup/Metrics.java
@@ -1,13 +1,14 @@
 package sh.okx.rankup;
 
+import com.google.gson.JsonArray;
+import com.google.gson.JsonObject;
+import com.google.gson.JsonParser;
 import org.bukkit.Bukkit;
 import org.bukkit.configuration.file.YamlConfiguration;
 import org.bukkit.entity.Player;
 import org.bukkit.plugin.Plugin;
 import org.bukkit.plugin.RegisteredServiceProvider;
 import org.bukkit.plugin.ServicePriority;
-import org.json.simple.JSONArray;
-import org.json.simple.JSONObject;
 
 import javax.net.ssl.HttpsURLConnection;
 import java.io.*;
@@ -186,24 +187,24 @@ public class Metrics {
    *
    * @return The plugin specific data.
    */
-  public JSONObject getPluginData() {
-    JSONObject data = new JSONObject();
+  public JsonObject getPluginData() {
+    JsonObject data = new JsonObject();
 
     String pluginName = plugin.getDescription().getName();
     String pluginVersion = plugin.getDescription().getVersion();
 
-    data.put("pluginName", pluginName); // Append the name of the plugin
-    data.put("pluginVersion", pluginVersion); // Append the version of the plugin
-    JSONArray customCharts = new JSONArray();
+    data.addProperty("pluginName", pluginName); // Append the name of the plugin
+    data.addProperty("pluginVersion", pluginVersion); // Append the version of the plugin
+    JsonArray customCharts = new JsonArray();
     for (CustomChart customChart : charts) {
       // Add the data of the custom charts
-      JSONObject chart = customChart.getRequestJsonObject();
+      JsonObject chart = customChart.getRequestJsonObject();
       if (chart == null) { // If the chart is null, we skip it
         continue;
       }
       customCharts.add(chart);
     }
-    data.put("customCharts", customCharts);
+    data.add("customCharts", customCharts);
 
     return data;
   }
@@ -213,7 +214,7 @@ public class Metrics {
    *
    * @return The server specific data.
    */
-  private JSONObject getServerData() {
+  private JsonObject getServerData() {
     // Minecraft specific data
     int playerAmount;
     try {
@@ -228,6 +229,7 @@ public class Metrics {
     }
     int onlineMode = Bukkit.getOnlineMode() ? 1 : 0;
     String bukkitVersion = Bukkit.getVersion();
+    String bukkitName = Bukkit.getName();
 
     // OS/Java specific data
     String javaVersion = System.getProperty("java.version");
@@ -236,19 +238,20 @@ public class Metrics {
     String osVersion = System.getProperty("os.version");
     int coreCount = Runtime.getRuntime().availableProcessors();
 
-    JSONObject data = new JSONObject();
+    JsonObject data = new JsonObject();
 
-    data.put("serverUUID", serverUUID);
+    data.addProperty("serverUUID", serverUUID);
 
-    data.put("playerAmount", playerAmount);
-    data.put("onlineMode", onlineMode);
-    data.put("bukkitVersion", bukkitVersion);
+    data.addProperty("playerAmount", playerAmount);
+    data.addProperty("onlineMode", onlineMode);
+    data.addProperty("bukkitVersion", bukkitVersion);
+    data.addProperty("bukkitName", bukkitName);
 
-    data.put("javaVersion", javaVersion);
-    data.put("osName", osName);
-    data.put("osArch", osArch);
-    data.put("osVersion", osVersion);
-    data.put("coreCount", coreCount);
+    data.addProperty("javaVersion", javaVersion);
+    data.addProperty("osName", osName);
+    data.addProperty("osArch", osArch);
+    data.addProperty("osVersion", osVersion);
+    data.addProperty("coreCount", coreCount);
 
     return data;
   }
@@ -257,9 +260,9 @@ public class Metrics {
    * Collects the data and sends it afterwards.
    */
   private void submitData() {
-    final JSONObject data = getServerData();
+    final JsonObject data = getServerData();
 
-    JSONArray pluginData = new JSONArray();
+    JsonArray pluginData = new JsonArray();
     // Search for all other bStats Metrics classes to get their plugin data
     for (Class<?> service : Bukkit.getServicesManager().getKnownServices()) {
       try {
@@ -267,13 +270,33 @@ public class Metrics {
 
         for (RegisteredServiceProvider<?> provider : Bukkit.getServicesManager().getRegistrations(service)) {
           try {
-            pluginData.add(provider.getService().getMethod("getPluginData").invoke(provider.getProvider()));
+            Object plugin = provider.getService().getMethod("getPluginData").invoke(provider.getProvider());
+            if (plugin instanceof JsonObject) {
+              pluginData.add((JsonObject) plugin);
+            } else { // old bstats version compatibility
+              try {
+                Class<?> jsonObjectJsonSimple = Class.forName("org.json.simple.JSONObject");
+                if (plugin.getClass().isAssignableFrom(jsonObjectJsonSimple)) {
+                  Method jsonStringGetter = jsonObjectJsonSimple.getDeclaredMethod("toJSONString");
+                  jsonStringGetter.setAccessible(true);
+                  String jsonString = (String) jsonStringGetter.invoke(plugin);
+                  JsonObject object = new JsonParser().parse(jsonString).getAsJsonObject();
+                  pluginData.add(object);
+                }
+              } catch (ClassNotFoundException e) {
+                // minecraft version 1.14+
+                if (logFailedRequests) {
+                  this.plugin.getLogger().log(Level.SEVERE, "Encountered unexpected exception", e);
+                }
+                continue; // continue looping since we cannot do any other thing.
+              }
+            }
           } catch (NullPointerException | NoSuchMethodException | IllegalAccessException | InvocationTargetException ignored) { }
         }
       } catch (NoSuchFieldException ignored) { }
     }
 
-    data.put("plugins", pluginData);
+    data.add("plugins", pluginData);
 
     // Create a new thread for the connection to the bStats server
     new Thread(new Runnable() {
@@ -299,7 +322,7 @@ public class Metrics {
    * @param data The data to send.
    * @throws Exception If the request failed.
    */
-  private static void sendData(Plugin plugin, JSONObject data) throws Exception {
+  private static void sendData(Plugin plugin, JsonObject data) throws Exception {
     if (data == null) {
       throw new IllegalArgumentException("Data cannot be null!");
     }
@@ -382,16 +405,16 @@ public class Metrics {
       this.chartId = chartId;
     }
 
-    private JSONObject getRequestJsonObject() {
-      JSONObject chart = new JSONObject();
-      chart.put("chartId", chartId);
+    private JsonObject getRequestJsonObject() {
+      JsonObject chart = new JsonObject();
+      chart.addProperty("chartId", chartId);
       try {
-        JSONObject data = getChartData();
+        JsonObject data = getChartData();
         if (data == null) {
           // If the data is null we don't send the chart.
           return null;
         }
-        chart.put("data", data);
+        chart.add("data", data);
       } catch (Throwable t) {
         if (logFailedRequests) {
           Bukkit.getLogger().log(Level.WARNING, "Failed to get data for custom chart with id " + chartId, t);
@@ -401,7 +424,7 @@ public class Metrics {
       return chart;
     }
 
-    protected abstract JSONObject getChartData() throws Exception;
+    protected abstract JsonObject getChartData() throws Exception;
 
   }
 
@@ -424,14 +447,14 @@ public class Metrics {
     }
 
     @Override
-    protected JSONObject getChartData() throws Exception {
-      JSONObject data = new JSONObject();
+    protected JsonObject getChartData() throws Exception {
+      JsonObject data = new JsonObject();
       String value = callable.call();
       if (value == null || value.isEmpty()) {
         // Null = skip the chart
         return null;
       }
-      data.put("value", value);
+      data.addProperty("value", value);
       return data;
     }
   }
@@ -455,9 +478,9 @@ public class Metrics {
     }
 
     @Override
-    protected JSONObject getChartData() throws Exception {
-      JSONObject data = new JSONObject();
-      JSONObject values = new JSONObject();
+    protected JsonObject getChartData() throws Exception {
+      JsonObject data = new JsonObject();
+      JsonObject values = new JsonObject();
       Map<String, Integer> map = callable.call();
       if (map == null || map.isEmpty()) {
         // Null = skip the chart
@@ -469,13 +492,13 @@ public class Metrics {
           continue; // Skip this invalid
         }
         allSkipped = false;
-        values.put(entry.getKey(), entry.getValue());
+        values.addProperty(entry.getKey(), entry.getValue());
       }
       if (allSkipped) {
         // Null = skip the chart
         return null;
       }
-      data.put("values", values);
+      data.add("values", values);
       return data;
     }
   }
@@ -499,9 +522,9 @@ public class Metrics {
     }
 
     @Override
-    public JSONObject getChartData() throws Exception {
-      JSONObject data = new JSONObject();
-      JSONObject values = new JSONObject();
+    public JsonObject getChartData() throws Exception {
+      JsonObject data = new JsonObject();
+      JsonObject values = new JsonObject();
       Map<String, Map<String, Integer>> map = callable.call();
       if (map == null || map.isEmpty()) {
         // Null = skip the chart
@@ -509,22 +532,22 @@ public class Metrics {
       }
       boolean reallyAllSkipped = true;
       for (Map.Entry<String, Map<String, Integer>> entryValues : map.entrySet()) {
-        JSONObject value = new JSONObject();
+        JsonObject value = new JsonObject();
         boolean allSkipped = true;
         for (Map.Entry<String, Integer> valueEntry : map.get(entryValues.getKey()).entrySet()) {
-          value.put(valueEntry.getKey(), valueEntry.getValue());
+          value.addProperty(valueEntry.getKey(), valueEntry.getValue());
           allSkipped = false;
         }
         if (!allSkipped) {
           reallyAllSkipped = false;
-          values.put(entryValues.getKey(), value);
+          values.add(entryValues.getKey(), value);
         }
       }
       if (reallyAllSkipped) {
         // Null = skip the chart
         return null;
       }
-      data.put("values", values);
+      data.add("values", values);
       return data;
     }
   }
@@ -548,14 +571,14 @@ public class Metrics {
     }
 
     @Override
-    protected JSONObject getChartData() throws Exception {
-      JSONObject data = new JSONObject();
+    protected JsonObject getChartData() throws Exception {
+      JsonObject data = new JsonObject();
       int value = callable.call();
       if (value == 0) {
         // Null = skip the chart
         return null;
       }
-      data.put("value", value);
+      data.addProperty("value", value);
       return data;
     }
 
@@ -580,9 +603,9 @@ public class Metrics {
     }
 
     @Override
-    protected JSONObject getChartData() throws Exception {
-      JSONObject data = new JSONObject();
-      JSONObject values = new JSONObject();
+    protected JsonObject getChartData() throws Exception {
+      JsonObject data = new JsonObject();
+      JsonObject values = new JsonObject();
       Map<String, Integer> map = callable.call();
       if (map == null || map.isEmpty()) {
         // Null = skip the chart
@@ -594,13 +617,13 @@ public class Metrics {
           continue; // Skip this invalid
         }
         allSkipped = false;
-        values.put(entry.getKey(), entry.getValue());
+        values.addProperty(entry.getKey(), entry.getValue());
       }
       if (allSkipped) {
         // Null = skip the chart
         return null;
       }
-      data.put("values", values);
+      data.add("values", values);
       return data;
     }
 
@@ -625,20 +648,20 @@ public class Metrics {
     }
 
     @Override
-    protected JSONObject getChartData() throws Exception {
-      JSONObject data = new JSONObject();
-      JSONObject values = new JSONObject();
+    protected JsonObject getChartData() throws Exception {
+      JsonObject data = new JsonObject();
+      JsonObject values = new JsonObject();
       Map<String, Integer> map = callable.call();
       if (map == null || map.isEmpty()) {
         // Null = skip the chart
         return null;
       }
       for (Map.Entry<String, Integer> entry : map.entrySet()) {
-        JSONArray categoryValues = new JSONArray();
+        JsonArray categoryValues = new JsonArray();
         categoryValues.add(entry.getValue());
-        values.put(entry.getKey(), categoryValues);
+        values.add(entry.getKey(), categoryValues);
       }
-      data.put("values", values);
+      data.add("values", values);
       return data;
     }
 
@@ -663,9 +686,9 @@ public class Metrics {
     }
 
     @Override
-    protected JSONObject getChartData() throws Exception {
-      JSONObject data = new JSONObject();
-      JSONObject values = new JSONObject();
+    protected JsonObject getChartData() throws Exception {
+      JsonObject data = new JsonObject();
+      JsonObject values = new JsonObject();
       Map<String, int[]> map = callable.call();
       if (map == null || map.isEmpty()) {
         // Null = skip the chart
@@ -677,17 +700,17 @@ public class Metrics {
           continue; // Skip this invalid
         }
         allSkipped = false;
-        JSONArray categoryValues = new JSONArray();
+        JsonArray categoryValues = new JsonArray();
         for (int categoryValue : entry.getValue()) {
           categoryValues.add(categoryValue);
         }
-        values.put(entry.getKey(), categoryValues);
+        values.add(entry.getKey(), categoryValues);
       }
       if (allSkipped) {
         // Null = skip the chart
         return null;
       }
-      data.put("values", values);
+      data.add("values", values);
       return data;
     }
   }
diff --git a/src/main/java/sh/okx/rankup/Rankup.java b/src/main/java/sh/okx/rankup/Rankup.java
index 8663f29..e6e95a7 100644
--- a/src/main/java/sh/okx/rankup/Rankup.java
+++ b/src/main/java/sh/okx/rankup/Rankup.java
@@ -164,10 +164,10 @@ public class Rankup extends JavaPlugin {
       return false;
     }
 
-    if (!(sender instanceof Player)) {
-      getLogger().severe("Failed to load Rankup");
-    } else {
+    if (sender instanceof Player) {
       sender.sendMessage(ChatColor.RED + "Could not load Rankup, check console for more information.");
+    } else {
+      getLogger().severe("Failed to load Rankup");
     }
     for (String line : errorMessage.split("\n")) {
       getLogger().severe(line);
diff --git a/src/main/java/sh/okx/rankup/commands/InfoCommand.java b/src/main/java/sh/okx/rankup/commands/InfoCommand.java
index f901c3d..d0cee56 100644
--- a/src/main/java/sh/okx/rankup/commands/InfoCommand.java
+++ b/src/main/java/sh/okx/rankup/commands/InfoCommand.java
@@ -31,8 +31,7 @@ public class InfoCommand implements CommandExecutor {
         return true;
       }
     }
-
-
+    
     PluginDescriptionFile description = plugin.getDescription();
     String version = description.getVersion();
     sender.sendMessage(
diff --git a/src/main/java/sh/okx/rankup/requirements/requirement/ItemRequirement.java b/src/main/java/sh/okx/rankup/requirements/requirement/ItemRequirement.java
index 78450f4..654c341 100644
--- a/src/main/java/sh/okx/rankup/requirements/requirement/ItemRequirement.java
+++ b/src/main/java/sh/okx/rankup/requirements/requirement/ItemRequirement.java
@@ -37,7 +37,7 @@ public class ItemRequirement extends DeductibleRequirement {
   @Override
   public double getProgress(Player player) {
     Material material = Material.matchMaterial(getSub());
-    return Arrays.stream(player.getInventory().getStorageContents())
+    return Arrays.stream(player.getInventory().getContents())
         .filter(item -> item != null && item.getType() == material)
         .mapToInt(ItemStack::getAmount).sum();
   }
diff --git a/src/main/java/sh/okx/rankup/requirements/requirement/PlaceholderRequirement.java b/src/main/java/sh/okx/rankup/requirements/requirement/PlaceholderRequirement.java
index 3f12e59..7853cdd 100644
--- a/src/main/java/sh/okx/rankup/requirements/requirement/PlaceholderRequirement.java
+++ b/src/main/java/sh/okx/rankup/requirements/requirement/PlaceholderRequirement.java
@@ -49,6 +49,12 @@ public class PlaceholderRequirement extends Requirement {
     throw new IllegalArgumentException("Invalid operation: " + parts[1]);
   }
 
+  @Override
+  public String getFullName() {
+    String[] parts = getValueString().split(" ");
+    return parts[0];
+  }
+
   @Override
   public Requirement clone() {
     return new PlaceholderRequirement(this);
diff --git a/src/main/java/sh/okx/rankup/requirements/requirement/advancedachievements/AdvancedAchievementsAchievementRequirement.java b/src/main/java/sh/okx/rankup/requirements/requirement/advancedachievements/AdvancedAchievementsAchievementRequirement.java
index c6633df..8dc87d9 100644
--- a/src/main/java/sh/okx/rankup/requirements/requirement/advancedachievements/AdvancedAchievementsAchievementRequirement.java
+++ b/src/main/java/sh/okx/rankup/requirements/requirement/advancedachievements/AdvancedAchievementsAchievementRequirement.java
@@ -21,6 +21,11 @@ public class AdvancedAchievementsAchievementRequirement extends Requirement {
     return api.hasPlayerReceivedAchievement(player.getUniqueId(), getValueString());
   }
 
+  @Override
+  public String getFullName() {
+    return super.getFullName() + "#" + getValueString();
+  }
+
   @Override
   public Requirement clone() {
     return new AdvancedAchievementsAchievementRequirement(this);