phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '8640a5692873104d1565316f22953b5c' for key 'PRIMARY'

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in) VALUES ('8640a5692873104d1565316f22953b5c', -1, 1757594550, 1757594550, 'd849d883', 0, 0)

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