phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '0ed9243d33251d7b9994e10a35370077' for key 1

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('0ed9243d33251d7b9994e10a35370077', -1, 1427622054, 1427622054, '17173574', -1, 0, 0)

Line : 187
File : sessions.php