phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'b4b9b1e80e7bb90e8b9d753d9a25c807' for key 'PRIMARY'

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in) VALUES ('b4b9b1e80e7bb90e8b9d753d9a25c807', -1, 1769701799, 1769701799, 'd849d82b', 8, 0)

Line : 180
File : /www/includes/sessions.php