phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '9f767b1f5c4143e037c39d2e98b8a5d6' for key 'PRIMARY'

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in) VALUES ('9f767b1f5c4143e037c39d2e98b8a5d6', -1, 1763783882, 1763783882, 'd849d83a', -9, 0)

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