phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '16eb508f1a31226a7da28c557d96fc2b' for key 'PRIMARY'

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in) VALUES ('16eb508f1a31226a7da28c557d96fc2b', -1, 1768394383, 1768394383, 'd849d8a4', -9, 0)

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