diff --git a/.gitignore b/.gitignore
index f3224d7..a697b3b 100644
--- a/.gitignore
+++ b/.gitignore
@@ -5,5 +5,7 @@ partitions/.svelte-kit/
 partitions/build/
 partitions/node_modules/
 partitions/static/pdf.worker.min.js
+partitions/.env
 api/vendor/
 api/composer.phar
+api/.env
diff --git a/api/index.php b/api/index.php
index 4b78d66..2216829 100644
--- a/api/index.php
+++ b/api/index.php
@@ -289,16 +289,17 @@ if ($path === 'admin/scores' && $method === 'POST') {
     if (empty($id)) {
         $scores = $scanner->listScores();
         $maxId = 0;
-        foreach ($scores as $s) {
-            $num = intval($s['id']);
-            if ($num > $maxId) $maxId = $maxId;
-        }
-        // Find highest numeric ID
         foreach ($scores as $s) {
             $num = intval($s['id']);
             if ($num > $maxId) $maxId = $num;
         }
+        
+        // Skip existing IDs
+        $scoresPath = getenv('SCORES_PATH') ?: __DIR__ . '/../legacy/Scores/';
         $id = strval($maxId + 1);
+        while (is_dir($scoresPath . $id)) {
+            $id = strval(intval($id) + 1);
+        }
         // Pad with zeros to 3 digits if needed
         if (strlen($id) < 3) {
             $id = str_pad($id, 3, '0', STR_PAD_LEFT);
diff --git a/api/lib/ScoreScanner.php b/api/lib/ScoreScanner.php
index 88a955e..97438c3 100644
--- a/api/lib/ScoreScanner.php
+++ b/api/lib/ScoreScanner.php
@@ -47,15 +47,40 @@ class ScoreScanner {
         }
         
         $ini = @parse_ini_file($iniFile, true);
+        
+        // If parse fails, try to extract info manually
         if ($ini === false) {
+            $content = file_get_contents($iniFile);
+            
+            $name = '';
+            $compositor = '';
+            
+            if (preg_match('/name\s*=\s*(.+)/i', $content, $matches)) {
+                $name = trim($matches[1]);
+            }
+            if (preg_match('/compositor\s*=\s*(.+)/i', $content, $matches)) {
+                $compositor = trim($matches[1]);
+            }
+            
+            if ($name || $compositor) {
+                return [
+                    'id' => $id,
+                    'name' => $name,
+                    'compositor' => $compositor,
+                    'ressource' => null
+                ];
+            }
+            
             return null;
         }
         
+        $info = $ini['info'] ?? [];
+        
         return [
             'id' => $id,
-            'name' => $ini['info']['name'] ?? 'Inconnu',
-            'compositor' => $ini['info']['compositor'] ?? 'Inconnu',
-            'ressource' => $ini['info']['ressource'] ?? null
+            'name' => $info['name'] ?? '',
+            'compositor' => $info['compositor'] ?? '',
+            'ressource' => $info['ressource'] ?? null
         ];
     }
     
diff --git a/api/tests.php b/api/tests.php
index 179f00e..7911d37 100644
--- a/api/tests.php
+++ b/api/tests.php
@@ -175,6 +175,14 @@ class APITest {
     public function testCreateScoreWithPieces() {
         $this->section("Create Score with Pieces - Functional");
         
+        // Test 0: Try to create score with existing ID should fail
+        $result = $this->request('POST', 'admin/scores', [
+            'name' => 'Test Duplicate',
+            'compositor' => 'Test',
+            'id' => '001'
+        ]);
+        $this->test('Create with existing ID returns error', $result['code'] === 400 && isset($result['body']['error']));
+        
         // Test 1: Create score with 2 pieces
         $testName = 'Test Score ' . date('YmdHis');
         $result = $this->request('POST', 'admin/scores', [