fix: proper null checks while recovering world in admin state

Author: iLynxcat

src/main/java/org/modernbeta/admintoolbox/managers/admin/AdminManager.java

@@ -126,6 +126,11 @@ public void restore(Player player) {
 			Location originalLocation = adminState.getTeleportHistory().getOriginalLocation();
 			ItemStack[] originalInventory = adminState.getSavedInventory();
 
+			if (originalLocation == null) {
+				plugin.getLogger().warning("Restore location was null for " + player.getName() + ". Falling back to server spawn.");
+				originalLocation = Bukkit.getWorlds().getFirst().getSpawnLocation();
+			}
+
 			player.teleportAsync(originalLocation).thenAccept((didTeleport) -> {
 				if (!didTeleport) {
 					player.sendRichMessage("<red>Error: Could not teleport you back to your original location.");

src/main/java/org/modernbeta/admintoolbox/managers/admin/AdminState.java

@@ -107,14 +107,20 @@ static AdminState fromConfig(Player player, ConfigurationSection playerSection)
 		if (playerSection.isConfigurationSection("original_location")) {
 			ConfigurationSection locSection = playerSection.getConfigurationSection("original_location");
 			if (locSection != null) {
-				World world = Bukkit.getWorld(locSection.getString("world"));
+				String worldName = locSection.getString("world");
+				World world = Bukkit.getWorld(worldName);
 				if (world != null) {
 					double x = locSection.getDouble("x");
 					double y = locSection.getDouble("y");
 					double z = locSection.getDouble("z");
 					float yaw = (float) locSection.getDouble("yaw");
 					float pitch = (float) locSection.getDouble("pitch");
 					history = new TeleportHistory<>(new Location(world, x, y, z, yaw, pitch));
+				} else {
+					AdminToolboxPlugin.getInstance().getLogger().warning(
+						String.format("Could not restore original location for %s — world '%s' not found. Falling back to server spawn.", playerId, worldName)
+					);
+					history = new TeleportHistory<>(Bukkit.getWorlds().get(0).getSpawnLocation());
 				}
 			}
 		}