diff --git a/api/orders.php b/api/orders.php
index 053152e..ca4948a 100644
--- a/api/orders.php
+++ b/api/orders.php
@@ -165,11 +165,14 @@ if (method_exists($cmd, 'fetch_optionals')) $cmd->fetch_optionals();
 if ($action === 'photos') {
     // Anhänge des Auftrags
     $upload_dir = $conf->commande->multidir_output[$cmd->entity].'/'.dol_sanitizeFileName($cmd->ref);
+    error_log('[BERICHT] upload_dir: '.$upload_dir.' exists: '.(is_dir($upload_dir) ? 'yes' : 'no'));
     $files = is_dir($upload_dir)
         ? dol_dir_list($upload_dir, 'files', 1, '', '(\.meta|_preview.*\.png|thumbs)$')
         : array();
+    error_log('[BERICHT] dol_dir_list returned '.count($files).' files');
     $out = array();
     foreach ($files as $f) {
+        error_log('[BERICHT] file: '.$f['name'].' size: '.$f['size']);
         $out[] = array(
             'filename' => $f['name'],
             'size'     => (int) $f['size'],