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 ('6526d8d87671542d598a23e6c43035fc', -1, 1711710048, 1711710048, '23ace7e8', 4, 0, 0)

Line : 187
File : sessions.php