do any one knows to solve this

PDOException: SQLSTATE[HY000]: General error: 2006 MySQL server has gone away: SELECT * FROM {commerce_flat_rate_service}; Array ( ) in commerce_flat_rate_commerce_shipping_service_info() (line 120 of C:\wamp\www\commerce_kickstart-7.x-2.0-rc2-core\profiles\commerce_kickstart\modules\contrib\commerce_flat_rate\commerce_flat_rate.module).