phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '4cf5f3887181f0512ad7f683cf56301a' 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 ('4cf5f3887181f0512ad7f683cf56301a', -1, 1714608714, 1714608714, 'c0a80201', 2, 0, 0)

Line : 187
File : sessions.php