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 ('011ec755b63bd8d9a16f1012bfde75cd', -1, 1763769158, 1763769158, 'd849d865', -4, 0, 0)

Line : 187
File : sessions.php