diff --git a/resources/mysql.sql b/resources/mysql.sql
index 97edb8a..537bb5b 100644
--- a/resources/mysql.sql
+++ b/resources/mysql.sql
@@ -6,7 +6,7 @@
 -- # { init
 CREATE TABLE IF NOT EXISTS skyblockspm_player
 (
-    uuid VARCHAR(32) PRIMARY KEY,
+    uuid VARCHAR(36) PRIMARY KEY,
     name VARCHAR(32),
     skyblock TEXT DEFAULT ''
 );
@@ -44,7 +44,7 @@ WHERE uuid=:uuid;
 -- # { init
 CREATE TABLE IF NOT EXISTS skyblockspm_sb
 (
-    uuid VARCHAR(32) PRIMARY KEY,
+    uuid VARCHAR(36) PRIMARY KEY,
     name VARCHAR(32),
     leader VARCHAR(32),
     members TEXT,
diff --git a/resources/sqlite.sql b/resources/sqlite.sql
index 239c46e..bdbb9f1 100644
--- a/resources/sqlite.sql
+++ b/resources/sqlite.sql
@@ -6,7 +6,7 @@
 -- # { init
 CREATE TABLE IF NOT EXISTS skyblockspm_player
 (
-    uuid VARCHAR(32) PRIMARY KEY,
+    uuid VARCHAR(36) PRIMARY KEY,
     name VARCHAR(32),
     skyblock TEXT DEFAULT ''
 );
@@ -44,7 +44,7 @@ WHERE uuid=:uuid;
 -- # { init
 CREATE TABLE IF NOT EXISTS skyblockspm_sb
 (
-    uuid VARCHAR(32) PRIMARY KEY,
+    uuid VARCHAR(36) PRIMARY KEY,
     name VARCHAR(32),
     leader VARCHAR(32),
     members TEXT,
diff --git a/src/Vecnavium/SkyBlocksPM/commands/args/IslandNameArgument.php b/src/Vecnavium/SkyBlocksPM/commands/args/IslandNameArgument.php
new file mode 100644
index 0000000..cefcc59
--- /dev/null
+++ b/src/Vecnavium/SkyBlocksPM/commands/args/IslandNameArgument.php
@@ -0,0 +1,45 @@
+<?php
+declare(strict_types=1);
+
+namespace Vecnavium\SkyBlocksPM\commands\args;
+
+use CortexPE\Commando\args\BaseArgument;
+use pocketmine\command\CommandSender;
+use pocketmine\network\mcpe\protocol\AvailableCommandsPacket;
+use function preg_match;
+
+class IslandNameArgument extends BaseArgument {
+
+    /**
+     * @return int
+     */
+    public function getNetworkType(): int{
+        return AvailableCommandsPacket::ARG_TYPE_STRING;
+    }
+
+    /**
+     * @param string $testString
+     * @param CommandSender $sender
+     * @return bool
+     */
+    public function canParse(string $testString, CommandSender $sender): bool {
+        // PM player username validity regex
+        return (bool)preg_match('/^\w{3,32}$/i', $testString);
+    }
+
+    /**
+     * @param string $argument
+     * @param CommandSender $sender
+     * @return mixed
+     */
+    public function parse(string $argument, CommandSender $sender): string {
+        return $argument;
+    }
+
+    /**
+     * @return string
+     */
+    public function getTypeName(): string{
+        return 'island';
+    }
+}
\ No newline at end of file
diff --git a/src/Vecnavium/SkyBlocksPM/commands/subcommands/CreateSubCommand.php b/src/Vecnavium/SkyBlocksPM/commands/subcommands/CreateSubCommand.php
index a72af46..0d97473 100644
--- a/src/Vecnavium/SkyBlocksPM/commands/subcommands/CreateSubCommand.php
+++ b/src/Vecnavium/SkyBlocksPM/commands/subcommands/CreateSubCommand.php
@@ -10,15 +10,17 @@
 use pocketmine\player\Player as P;
 use pocketmine\utils\Utils;
 use Ramsey\Uuid\Uuid;
+use Vecnavium\SkyBlocksPM\commands\args\IslandNameArgument;
 use Vecnavium\SkyBlocksPM\player\Player;
 use Vecnavium\SkyBlocksPM\SkyBlocksPM;
 use function strval;
+use function substr;
 
 class CreateSubCommand extends BaseSubCommand {
 
     protected function prepare(): void {
         $this->setPermission('skyblockspm.create');
-        $this->registerArgument(0, new RawStringArgument('name'));
+        $this->registerArgument(0, new IslandNameArgument('name'));
     }
 
     /**
@@ -47,9 +49,12 @@ public function onRun(CommandSender $sender, string $aliasUsed, array $args): vo
             return;
         }
         $sender->sendMessage($plugin->getMessages()->getMessage('skyblock-creating'));
-        $id = Uuid::uuid4()->toString();
+
+        // Hotfix for those with pre-existing SkyBlocksPM databases where the UUID length is specified as 32, and not 36
+        $id = substr(Uuid::uuid4()->toString(), 0, -4);
+
         $player->setSkyBlock($id);
-        $plugin->getGenerator()->generateIsland($sender, $id, strval($args['name'])); // Name validation?
+        $plugin->getGenerator()->generateIsland($sender, $id, strval($args['name']));
     }
 
 }
diff --git a/src/Vecnavium/SkyBlocksPM/generator/Generator.php b/src/Vecnavium/SkyBlocksPM/generator/Generator.php
index 6a311ea..215fca2 100644
--- a/src/Vecnavium/SkyBlocksPM/generator/Generator.php
+++ b/src/Vecnavium/SkyBlocksPM/generator/Generator.php
@@ -59,16 +59,16 @@ public function setIslandWorld(P $player): void {
 
     /**
      * @param P $player
-     * @param string $folderName
+     * @param string $uuid
      * @param string $name
      *
      * Thanks SkyWars by GamakCZ
      */
-    public function generateIsland(P $player, string $folderName, string $name): void{
+    public function generateIsland(P $player, string $uuid, string $name): void{
         $path = $this->plugin->getDataFolder() . 'cache/island';
         $files = new RecursiveIteratorIterator(new RecursiveDirectoryIterator((string)realpath($path)), RecursiveIteratorIterator::LEAVES_ONLY);
 
-        $path = $this->plugin->getServer()->getDataPath() . 'worlds' . DIRECTORY_SEPARATOR . $folderName;
+        $path = $this->plugin->getServer()->getDataPath() . 'worlds' . DIRECTORY_SEPARATOR . $uuid;
         @mkdir($path);
         @mkdir($path . '/db');
 
@@ -83,12 +83,12 @@ public function generateIsland(P $player, string $folderName, string $name): voi
             copy($filePath,  $path . DIRECTORY_SEPARATOR . $localPath);
         }
 
-        $this->plugin->getServer()->getWorldManager()->loadWorld($folderName);
-        $world = $this->plugin->getServer()->getWorldManager()->getWorldByName($folderName);
+        $this->plugin->getServer()->getWorldManager()->loadWorld($uuid);
+        $world = $this->plugin->getServer()->getWorldManager()->getWorldByName($uuid);
         $skyBlockPlayer = $this->plugin->getPlayerManager()->getPlayer($player->getName());
         if($world instanceof World && $skyBlockPlayer instanceof Player) {
             $player->teleport(Position::fromObject($world->getSpawnLocation(), $world));
-            $this->plugin->getSkyBlockManager()->createSkyBlock($world->getFolderName(), $skyBlockPlayer, $name, $world);
+            $this->plugin->getSkyBlockManager()->createSkyBlock($uuid, $skyBlockPlayer, $name, $world);
         }
     }
 
diff --git a/src/Vecnavium/SkyBlocksPM/player/PlayerManager.php b/src/Vecnavium/SkyBlocksPM/player/PlayerManager.php
index ef03289..d236e1d 100644
--- a/src/Vecnavium/SkyBlocksPM/player/PlayerManager.php
+++ b/src/Vecnavium/SkyBlocksPM/player/PlayerManager.php
@@ -6,6 +6,7 @@
 
 use pocketmine\player\Player as P;
 use Vecnavium\SkyBlocksPM\SkyBlocksPM;
+use function substr;
 
 class PlayerManager {
 
@@ -48,13 +49,15 @@ public function unloadPlayer(P $player): void{
     }
 
     public function createPlayer(P $player): void {
+        // Hotfix for those with pre-existing SkyBlocksPM databases where the UUID length is specified as 32, and not 36
+        $uuid = substr($player->getUniqueId()->toString(), 0, -4);
         $this->plugin->getDataBase()->executeInsert('skyblockspm.player.create',
         [
-            'uuid' => $player->getUniqueId()->toString(),
+            'uuid' => $uuid,
             'name' => $player->getName(),
             'skyblock' => ''
         ]);
-        $this->players[$player->getName()] = new Player($player->getUniqueId()->toString(), $player->getName(), '');
+        $this->players[$player->getName()] = new Player($uuid, $player->getName(), '');
     }
 
     /**