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 ('cca831482decaf6fd8a09281b040102b', -1, 1532069192, 1532069192, '36a27b4a', 0, 0, 0)

Line : 187
File : sessions.php