phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'cc8f3c5436ff77d6c11161d02996008d' for key 'PRIMARY'

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in) VALUES ('cc8f3c5436ff77d6c11161d02996008d', -1, 1762536767, 1762536767, 'd849d80d', -9, 0)

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