phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '729ef1c7f959f32a49711c8363dedccd' 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 ('729ef1c7f959f32a49711c8363dedccd', -1, 1785691271, 1785691271, 'd849d94e', -4, 0, 0)

Line : 187
File : sessions.php