phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '6421f761a22a1701d3c8989ae121de1a' 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 ('6421f761a22a1701d3c8989ae121de1a', -1, 1714581999, 1714581999, 'c0a80201', -4, 0, 0)

Line : 187
File : sessions.php