phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'cb4f0cdf1ff67bcc2d1bc4edc7eaed4e' 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) VALUES ('cb4f0cdf1ff67bcc2d1bc4edc7eaed4e', -1, 1714949514, 1714949514, 'c0a80201', 31, 0, 0)

Line : 187
File : sessions.php