diff --git a/nconnector.php b/nconnector.php
index fc0ada4..53125df 100755
--- a/nconnector.php
+++ b/nconnector.php
@@ -50,6 +50,18 @@ while ($user = $doldb->result->fetch_assoc())
 
 		$oc_group_user_query = "INSERT INTO oc_group_user(uid, gid) VALUES ('" . $user["login"] . "','" . $gid . "')";
 		echo $account_data . EOL . $oc_account_query . EOL . $oc_users_query .EOL . $oc_group_user_query . EOL;
+		if (!$ncdb->query($oc_account_query))
+		{
+			echo "Echec lors de la requete : (" . $mysqli->errno . ") " . $mysqli->error;
+		}
+		if (!$ncdb->query($oc_users_query))
+		{
+			echo "Echec lors de la requete : (" . $mysqli->errno . ") " . $mysqli->error;
+		}
+		if (!ncdb->query($oc_group_user_query))
+		{
+			echo "Echec lors de la requete : (" . $mysqli->errno . ") " . $mysqli->error;
+		}
 	}
 	$ncdb->result->close();
 	exit;