SQLSTATE[HY000]: General error: 2006 MySQL server has gone away file: E:\www\internet\includes\database\database.inc on line 2139

Uncaught exception thrown in shutdown function.

PDOException: SQLSTATE[HY000]: General error: 2006 MySQL server has gone away: DELETE FROM {semaphore} WHERE (value = :db_condition_placeholder_0) ; Array ( [:db_condition_placeholder_0] => 84361048535881d1dbb4c7.53318527 ) in lock_release_all() (line 269 of E:\www\internet\includes\lock.inc).