phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '12a7a0886b91ec305dda999e7ba1639c' 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 ('12a7a0886b91ec305dda999e7ba1639c', -1, 1714478659, 1714478659, 'c0a80201', 16, 0, 0)

Line : 187
File : sessions.php