Fixes detail command issue #370

Author: tastybento

src/main/java/world/bentobox/level/commands/IslandDetailCommand.java

@@ -4,6 +4,7 @@
 
 import world.bentobox.bentobox.api.commands.CompositeCommand;
 import world.bentobox.bentobox.api.user.User;
+import world.bentobox.bentobox.database.objects.Island;
 import world.bentobox.level.Level;
 import world.bentobox.level.panels.DetailsPanel;
 
@@ -26,11 +27,13 @@ public void setup() {
 
     @Override
     public boolean execute(User user, String label, List<String> list) {
-        if (getIslands().hasIsland(getWorld(), user)) {
-            DetailsPanel.openPanel(this.addon, getWorld(), user);
-        } else {
-            user.sendMessage("general.errors.no-island");
+        Island island = getIslands().getIsland(getWorld(), user);
+        if (island == null) {
+            user.sendMessage("general.errors.player-has-no-island");
+            return false;
+
         }
+        DetailsPanel.openPanel(this.addon, getWorld(), user);
         return true;
     }
 }