phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '02821491a1f7b488084435e5ce3fde1f' 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 ('02821491a1f7b488084435e5ce3fde1f', -1, 1772275387, 1772275387, '0aff0001', 11, 0, 0)

Line : 199
File : sessions.php