diff --git a/MMOCore-API/src/main/java/net/Indyuce/mmocore/api/player/PlayerData.java b/MMOCore-API/src/main/java/net/Indyuce/mmocore/api/player/PlayerData.java
index 1e960f4a..ea5845ac 100644
--- a/MMOCore-API/src/main/java/net/Indyuce/mmocore/api/player/PlayerData.java
+++ b/MMOCore-API/src/main/java/net/Indyuce/mmocore/api/player/PlayerData.java
@@ -1115,8 +1115,8 @@ public class PlayerData extends OfflinePlayerData implements Closable, Experienc
      */
     public void bindPassiveSkill(int slot, @NotNull PassiveSkill skill) {
         Validate.notNull(skill, "Skill cannot be null");
-        final int maxBound = getProfess().getMaxBoundActiveSkills();
-        if (slot > 0 && boundPassiveSkills.size() >= maxBound) {
+        final int maxBound = getProfess().getMaxBoundPassiveSkills();
+        if (slot >= 0 && boundPassiveSkills.size() >= maxBound) {
             final @NotNull PassiveSkill current = boundPassiveSkills.set(slot, skill);
             if (current != null)
                 current.unregister(mmoData);
@@ -1151,7 +1151,7 @@ public class PlayerData extends OfflinePlayerData implements Closable, Experienc
      */
     public void bindActiveSkill(int slot, ClassSkill skill) {
         Validate.notNull(skill, "Skill cannot be null");
-        if (slot > 0 && boundSkills.size() >= getProfess().getMaxBoundActiveSkills())
+        if (slot >= 0 && boundSkills.size() >= getProfess().getMaxBoundActiveSkills())
             boundSkills.set(slot, skill);
         else
             boundSkills.add(skill);
diff --git a/MMOCore-API/src/main/java/net/Indyuce/mmocore/api/quest/PlayerQuests.java b/MMOCore-API/src/main/java/net/Indyuce/mmocore/api/quest/PlayerQuests.java
index 6acbd3b4..bf0710bb 100644
--- a/MMOCore-API/src/main/java/net/Indyuce/mmocore/api/quest/PlayerQuests.java
+++ b/MMOCore-API/src/main/java/net/Indyuce/mmocore/api/quest/PlayerQuests.java
@@ -173,9 +173,6 @@ public class PlayerQuests implements Closable {
             bossbar.removeAll();
             Bukkit.removeBossBar(bossbarNamespacedKey);
         }
-
-        // Close current objective progress
-        closeCurrentQuest();
     }
 
     public boolean checkCooldownAvailability(Quest quest) {
diff --git a/MMOCore-API/src/main/java/net/Indyuce/mmocore/command/GuildCommand.java b/MMOCore-API/src/main/java/net/Indyuce/mmocore/command/GuildCommand.java
index 3db0e437..f1fd656b 100644
--- a/MMOCore-API/src/main/java/net/Indyuce/mmocore/command/GuildCommand.java
+++ b/MMOCore-API/src/main/java/net/Indyuce/mmocore/command/GuildCommand.java
@@ -36,7 +36,7 @@ public class GuildCommand extends RegisteredCommand {
         Bukkit.getServer().getPluginManager().callEvent(event);
         if (event.isCancelled()) return true;
 
-        if (args.length > 1) {
+        if (args.length >= 1) {
 
             final @Nullable GuildInvite invite;
             if (args.length > 1)
diff --git a/MMOCore-API/src/main/java/net/Indyuce/mmocore/experience/PlayerProfessions.java b/MMOCore-API/src/main/java/net/Indyuce/mmocore/experience/PlayerProfessions.java
index 9ad28f5c..963910d8 100644
--- a/MMOCore-API/src/main/java/net/Indyuce/mmocore/experience/PlayerProfessions.java
+++ b/MMOCore-API/src/main/java/net/Indyuce/mmocore/experience/PlayerProfessions.java
@@ -171,7 +171,7 @@ public class PlayerProfessions {
     public void giveExperience(Profession profession, double value, EXPSource source, @Nullable Location hologramLocation, boolean splitExp) {
         Validate.isTrue(playerData.isOnline(), "Cannot give experience to offline player");
         if (value <= 0) {
-            exp.put(profession.getId(), Math.max(0, exp.get(profession.getId() + value)));
+            exp.put(profession.getId(), Math.max(0, exp.get(profession.getId()) + value));
             return;
         }
 
diff --git a/MMOCore-API/src/main/java/net/Indyuce/mmocore/experience/source/MoveExperienceSource.java b/MMOCore-API/src/main/java/net/Indyuce/mmocore/experience/source/MoveExperienceSource.java
index 0ce3b5af..cb045022 100644
--- a/MMOCore-API/src/main/java/net/Indyuce/mmocore/experience/source/MoveExperienceSource.java
+++ b/MMOCore-API/src/main/java/net/Indyuce/mmocore/experience/source/MoveExperienceSource.java
@@ -6,6 +6,7 @@ import net.Indyuce.mmocore.experience.dispenser.ExperienceDispenser;
 import net.Indyuce.mmocore.experience.source.type.SpecificExperienceSource;
 import net.Indyuce.mmocore.manager.profession.ExperienceSourceManager;
 import org.apache.commons.lang.Validate;
+import org.bukkit.entity.Entity;
 import org.bukkit.entity.Player;
 import org.bukkit.event.EventHandler;
 import org.bukkit.event.player.PlayerMoveEvent;
@@ -68,7 +69,7 @@ public class MoveExperienceSource extends SpecificExperienceSource {
         FLY((p) -> p.isFlying() || p.isGliding()),
         SWIM((p) -> p.getLocation().getBlock().isLiquid()),
         SPRINT(Player::isSprinting),
-        WALK((p) -> !p.isSneaking() && !p.isSprinting() && !p.isFlying() && !p.getLocation().getBlock().isLiquid());
+        WALK((p) -> !p.isSneaking() && !p.isSprinting() &&((Entity)p).isOnGround()&& !p.isFlying() && !p.getLocation().getBlock().isLiquid());
 
         private final Function<Player, Boolean> matching;