Menssagem de erro

• Warning: Cannot modify header information - headers already sent by (output started at /var/www/iee/includes/common.inc:2700) em drupal_send_headers() (linha 1217 de /var/www/iee/includes/bootstrap.inc).
• PDOException: SQLSTATE[42000]: Syntax error or access violation: 1142 INSERT command denied to user 'w3iee'@'172.24.0.5' for table 'watchdog': INSERT INTO {watchdog} (uid, type, message, variables, severity, link, location, referer, hostname, timestamp) VALUES (:db_insert_placeholder_0, :db_insert_placeholder_1, :db_insert_placeholder_2, :db_insert_placeholder_3, :db_insert_placeholder_4, :db_insert_placeholder_5, :db_insert_placeholder_6, :db_insert_placeholder_7, :db_insert_placeholder_8, :db_insert_placeholder_9); Array ( [:db_insert_placeholder_0] => 0 [:db_insert_placeholder_1] => cron [:db_insert_placeholder_2] => Attempting to re-run cron while it is already running. [:db_insert_placeholder_3] => a:0:{} [:db_insert_placeholder_4] => 4 [:db_insert_placeholder_5] => [:db_insert_placeholder_6] => http://www.iee.usp.br/?q=pt-br/institucional/pessoal-do-iee [:db_insert_placeholder_7] => [:db_insert_placeholder_8] => 10.100.116.112 [:db_insert_placeholder_9] => 1558936816 ) em dblog_watchdog() (linha 160 de /var/www/iee/modules/dblog/dblog.module).