phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'c272cca9870187adc19ed26cbab68548' for key 1

INSERT INTO sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('c272cca9870187adc19ed26cbab68548', -1, 1227222126, 1227222126, '26673f3c', 15, 0, 0)

Line : 187
File : sessions.php