phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'cef4b37bf4e00958ad69340a2d779c63' 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 ('cef4b37bf4e00958ad69340a2d779c63', -1, 1714379271, 1714379271, 'c0a80201', -4, 0, 0)

Line : 187
File : sessions.php