phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'cf94f2e7955f498969107b49072d7a96' for key 'phpbb_sessioni.PRIMARY'

INSERT INTO phpbb_sessioni (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('cf94f2e7955f498969107b49072d7a96', -1, 1713568919, 1713568919, '0316f0cd', -4, 0, 0)

Line : 187
File : sessions.php