diff --git a/system/src/Items.php b/system/src/Items.php
index 396e1053..1e336d92 100644
--- a/system/src/Items.php
+++ b/system/src/Items.php
@@ -16,7 +16,13 @@ use MyAAC\Models\Spell;
 
 class Items
 {
-	public static $items;
+	public static array $items;
+
+	private static string $error = '';
+
+	public static function getError(): string {
+		return self::$error;
+	}
 
 	public static function load(): bool {
 		$file_path = config('data_path') . 'items/items.toml';
@@ -27,10 +33,14 @@ class Items
 			$items = new Server\XML\Items();
 		}
 		else {
+			self::$error = 'Cannot load items.xml or items.toml file. Files not found.';
 			return false;
 		}
 
-		$items->load();
+		if (!$items->load()) {
+			self::$error = $items->getError();
+			return false;
+		}
 
 		return true;
 	}
diff --git a/system/src/Server/Groups.php b/system/src/Server/Groups.php
index 3126ad5a..5e393a35 100644
--- a/system/src/Server/Groups.php
+++ b/system/src/Server/Groups.php
@@ -6,7 +6,7 @@ use MyAAC\Cache\Cache;
 
 class Groups
 {
-	private static array $groups;
+	private static array $groups = [];
 
 	public function __construct() {
 		self::$groups = Cache::remember('groups', 10 * 60, function () {
diff --git a/system/src/Server/TOML/Groups.php b/system/src/Server/TOML/Groups.php
index 715014f8..9f6e3793 100644
--- a/system/src/Server/TOML/Groups.php
+++ b/system/src/Server/TOML/Groups.php
@@ -6,7 +6,7 @@ use Devium\Toml\Toml;
 
 class Groups
 {
-	private array $groups;
+	private array $groups = [];
 
 	public function load(): void
 	{
@@ -14,7 +14,7 @@ class Groups
 
 		if(!@file_exists($file)) {
 			error('Error: Cannot load groups.toml. More info in system/logs/error.log file.');
-			log_append('error.log', '[OTS_Groups_List.php] Fatal error: Cannot load groups.toml (' . $file . '). It doesnt exist.');
+			log_append('error.log', "[OTS_Groups_List.php] Fatal error: Cannot load groups.toml ($file). It doesn't exist.");
 			return;
 		}
 
diff --git a/system/src/Server/TOML/Items.php b/system/src/Server/TOML/Items.php
index 3a9bd264..dc957349 100644
--- a/system/src/Server/TOML/Items.php
+++ b/system/src/Server/TOML/Items.php
@@ -33,7 +33,20 @@ class Items
 				return !in_array($key, ['id', 'article', 'name', 'plural']);
 			}, ARRAY_FILTER_USE_KEY);
 
-			$items[$item['id']] = ['article' => $item['article'], 'name' => $item['name'], 'plural' => $item['plural'] ?? '', 'attributes' => $attributes];
+			$id = $item['id'] ?? null;
+			if ($id === null) {
+				continue;
+			}
+
+			$article = $item['article'] ?? '';
+			$name = $item['name'] ?? '';
+			$plural = $item['plural'] ?? '';
+			$items[$id] = [
+				'article' => $article,
+				'name' => $name,
+				'plural' => $plural,
+				'attributes' => $attributes,
+			];
 		}
 
 		$cache_php = new CachePHP(config('cache_prefix'), CACHE . 'persistent/');
diff --git a/system/src/Server/TOML/Vocations.php b/system/src/Server/TOML/Vocations.php
index a6b0ff72..f7c53e93 100644
--- a/system/src/Server/TOML/Vocations.php
+++ b/system/src/Server/TOML/Vocations.php
@@ -6,14 +6,14 @@ use Devium\Toml\Toml;
 
 class Vocations
 {
-	private array $vocations;
-	private array $vocationsFrom;
+	private array $vocations = [];
+	private array $vocationsFrom = [];
 
 	public function load(): void
 	{
 		$tomlVocations = glob(config('data_path') . 'vocations/*.toml');
 		if (count($tomlVocations) <= 0) {
-			throw new \RuntimeException('ERROR: Cannot load any <i>.toml</i> vocation in the data/vocations folder.');
+			throw new \RuntimeException('ERROR: Cannot load any .toml vocation from the data/vocations folder.');
 		}
 
 		foreach ($tomlVocations as $file) {
diff --git a/system/src/Server/Vocations.php b/system/src/Server/Vocations.php
index 40034771..0570a0b9 100644
--- a/system/src/Server/Vocations.php
+++ b/system/src/Server/Vocations.php
@@ -6,8 +6,8 @@ use MyAAC\Cache\Cache;
 
 class Vocations
 {
-	private static array $vocations;
-	private static array $vocationsFrom;
+	private static array $vocations = [];
+	private static array $vocationsFrom = [];
 
 	public function __construct() {
 		$cached = Cache::remember('vocations', 10 * 60, function () {
diff --git a/system/src/Server/XML/Groups.php b/system/src/Server/XML/Groups.php
index ab262ba4..0b487509 100644
--- a/system/src/Server/XML/Groups.php
+++ b/system/src/Server/XML/Groups.php
@@ -4,7 +4,7 @@ namespace MyAAC\Server\XML;
 
 class Groups
 {
-	private array $groups;
+	private array $groups = [];
 
 	public function load(): void
 	{
@@ -12,7 +12,7 @@ class Groups
 
 		if(!@file_exists($file)) {
 			error('Error: Cannot load groups.xml. More info in system/logs/error.log file.');
-			log_append('error.log', '[OTS_Groups_List.php] Fatal error: Cannot load groups.xml (' . $file . '). It doesnt exist.');
+			log_append('error.log', "[OTS_Groups_List.php] Fatal error: Cannot load groups.xml ($file). It doesn't exist.");
 			return;
 		}
 
diff --git a/system/src/Server/XML/Vocations.php b/system/src/Server/XML/Vocations.php
index ebc57492..64ad2f33 100644
--- a/system/src/Server/XML/Vocations.php
+++ b/system/src/Server/XML/Vocations.php
@@ -4,8 +4,8 @@ namespace MyAAC\Server\XML;
 
 class Vocations
 {
-	private array $vocations;
-	private array $vocationsFrom;
+	private array $vocations = [];
+	private array $vocationsFrom = [];
 
 	public function load(): void
 	{