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2017超媒體跨領域國際研討會

Uncaught exception thrown in shutdown function.

PDOException: SQLSTATE[HY000]: General error: 8 attempt to write a readonly database: DELETE FROM {semaphore} WHERE (value = :db_condition_placeholder_0) ; Array ( [:db_condition_placeholder_0] => 8871664665c1041f26e3fe4.68195113 ) in lock_release_all() (line 269 of /opt/lampp/htdocs/includes/lock.inc).