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 ('9e6c99610402efda0c98d5f2a99fe678', -1, 1762213213, 1762213213, 'd849d892', 3, 0, 0)

Line : 187
File : sessions.php