phpBB : Erro Crítico

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '-1' for key 2

INSERT INTO f_activesessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('94cc9daa01f62a7ff7f477d1251ab3b5', -1, 1762191433, 1762191433, 'd849d824', 5, 0, 0)

Line : 187
File : sessions.php