Not enough permissions to run the process. Make sure the following permissions are set (UNIX-like systems only).<br />Such permissions are required for a seamless automated installation or upgrade of X-Cart on your server. They do not take into account the specific configuration of your server or any security requirements. Once the process is completed, make sure you change the permissions to a more restrictive setting. <a target='_blank' href='https://kb.x-cart.com/en/setting_up_x-cart_5_environment/secure_configuration.html#why-x-cart-asks-for-666777-permissions'>Read more</a>