phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'dff11a580fd3a6072cc469c4ef3671b5' for key 'PRIMARY'

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in) VALUES ('dff11a580fd3a6072cc469c4ef3671b5', -1, 1756490181, 1756490181, 'd849d826', -9, 0)

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