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 ('3b18629e88f48130f66f6f3924838770', -1, 1747701639, 1747701639, '126109ad', 6, 0, 0)

Line : 187
File : sessions.php