phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '870ac6f1da8b367d206655946883077d' for key 'PRIMARY'

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in) VALUES ('870ac6f1da8b367d206655946883077d', -1, 1765915474, 1765915474, 'd849d81e', -9, 0)

Line : 180
File : /www/includes/sessions.php