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 ('99b810f3b2c47e8824d5dd1cc35e0efa', -1, 1767827527, 1767827527, 'd849d802', 1, 0, 0)

Line : 187
File : sessions.php