phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '83d76d129b6c5d90ee7a917c1d420806' for key 'PRIMARY'

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in) VALUES ('83d76d129b6c5d90ee7a917c1d420806', -1, 1768708212, 1768708212, 'd849d8d9', -9, 0)

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