[PrestaShopException]

Property Cart->id_currency is empty
at line 909 in file classes/ObjectModel.php

904.             }
905. 
906.             $message = $this->validateField($field, $this->$field);
907.             if ($message !== true) {
908.                 if ($die) {
909.                     throw new PrestaShopException($message);
910.                 }
911.                 return $error_return ? $message : false;
912.             }
913.         }
914. 
Directory C:\MANCHANET\web\www\clientes\infor-alhambra.com\wwwroot/log is not writable