GameWorld loading ony runs /mvm command when Multiverse plugin is present

pandalib-paper/src/main/java/fr/pandacube/lib/paper/players/PaperOffPlayer.java

@@ -5,6 +5,7 @@ import fr.pandacube.lib.paper.reflect.wrapper.craftbukkit.CraftServer;
 import fr.pandacube.lib.paper.reflect.wrapper.minecraft.nbt.CompoundTag;
 import fr.pandacube.lib.paper.reflect.wrapper.minecraft.nbt.NbtIo;
 import fr.pandacube.lib.paper.util.PlayerDataWrapper;
+import fr.pandacube.lib.paper.util.PlayerDataWrapper.PlayerDataLoadException;
 import fr.pandacube.lib.paper.world.WorldUtil;
 import fr.pandacube.lib.players.standalone.AbstractOffPlayer;
 import fr.pandacube.lib.reflect.wrapper.ReflectWrapper;
@@ -155,12 +156,16 @@ public interface PaperOffPlayer extends AbstractOffPlayer {
      */
     default CompoundTag getPlayerData() {
         if (isOnline())
-            throw new IllegalStateException("Cannot access data file of " + getName() + " because they’re online.");
-        return ReflectWrapper.wrapTyped(Bukkit.getServer(), CraftServer.class)
-                .getServer()
-                .getPlayerList()
-                .playerIo()
-                .load(getName(), getUniqueId().toString()).orElse(null);
+            throw new IllegalStateException("Cannot access data file of " + getName() + " because they're online.");
+        try {
+            return ReflectWrapper.wrapTyped(Bukkit.getServer(), CraftServer.class)
+                    .getServer()
+                    .getPlayerList()
+                    .playerIo()
+                    .load(getName(), getUniqueId().toString()).orElse(null);
+        } catch (Exception|LinkageError e) {
+            throw new PlayerDataLoadException(getName(), getUniqueId(), e);
+        }
     }
 
     /**

pandalib-paper/src/main/java/fr/pandacube/lib/paper/util/GameWorldUtils.java

@@ -103,7 +103,8 @@ public class GameWorldUtils implements Listener {
 		}
 		w.setAutoSave(false);
 		gameWorld.put(world, w);
-		Bukkit.dispatchCommand(Bukkit.getConsoleSender(), "mvm set hidden true "+copiedName);
+		if (Bukkit.getPluginManager().getPlugin("Multiverse-Core") != null)
+			Bukkit.dispatchCommand(Bukkit.getConsoleSender(), "mvm set hidden true "+copiedName);
 		operationOnLoad.accept(w);
 		return w;
 	}

pandalib-paper/src/main/java/fr/pandacube/lib/paper/util/PlayerDataWrapper.java

@@ -21,6 +21,7 @@ import java.util.Map;
 import java.util.Map.Entry;
 import java.util.Objects;
 import java.util.TreeMap;
+import java.util.UUID;
 import java.util.function.IntUnaryOperator;
 
 /**
@@ -362,4 +363,14 @@ public record PlayerDataWrapper(CompoundTag data) {
             return null;
         }
     }
+
+
+
+
+
+    public static class PlayerDataLoadException extends RuntimeException {
+        public PlayerDataLoadException(String playerName,  UUID playerId, Throwable cause) {
+            super("Unable to load data of player " + playerName + " (" + playerId + ")", cause);
+        }
+    }
 }