phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'ad2e17449ae00ec0eafecc37ec6a9c16' for key 'PRIMARY'

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in) VALUES ('ad2e17449ae00ec0eafecc37ec6a9c16', -1, 1771999231, 1771999231, 'd849d8b4', -9, 0)

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