phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'b46ddc296349b3b029d15fee05a56559' for key 'PRIMARY'

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin, priv_session_id) VALUES ('b46ddc296349b3b029d15fee05a56559', -1, 1780766049, 1780766049, '6817f34b', 14, 0, 0, 'dd98522b0c54a73ec6393f84f3a80d39')

Line : 187
File : sessions.php