Try to display PDO error message

Source/API/script/Config/ConnectClass.php

@@ -25,7 +25,8 @@ class ConnectClass{
             $connection = new Connection($this->dsn,$this->login,$this->password);
             sleep(3);
             echo "\nOKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKK\n";
-        }catch (PDOException){
+        }catch (PDOException $e){
+            echo $e->getMessage()." ET ".$e->getTraceAsString();
             throw new PDOException();
         }
         return $connection;