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Error message

  • Warning: Cannot modify header information - headers already sent by (output started at C:\xampp\htdocs\includes\common.inc:2776) in drupal_send_headers() (line 1486 of C:\xampp\htdocs\includes\bootstrap.inc).
  • PDOException: SQLSTATE[40001]: Serialization failure: 1213 Deadlock found when trying to get lock; try restarting transaction: DELETE FROM {semaphore} WHERE (name = :db_condition_placeholder_0) AND (value = :db_condition_placeholder_1) AND (expire <= :db_condition_placeholder_2) ; Array ( [:db_condition_placeholder_0] => cron [:db_condition_placeholder_1] => 6156100325c9a21bfc62039.30566379 [:db_condition_placeholder_2] => 1553605295.8116 ) in lock_may_be_available() (line 181 of C:\xampp\htdocs\includes\lock.inc).

Error

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