phpBB : Erro Crítico

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '8b8614d19f72f3adcc2feb1981386f2e' for key 'PRIMARY'

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('8b8614d19f72f3adcc2feb1981386f2e', -1, 1769956374, 1769956374, 'd849d8da', -9, 0, 0)

Line : 187
File : sessions.php