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 ('d612b9ccd010e4fc99f6e7695fac1ebf', -1, 1762147976, 1762147976, 'd849d8dd', -10, 0, 0)

Line : 187
File : sessions.php