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 ('c82983fc86f7e0f83935e39b5b0d2dc6', -1, 1740001517, 1740001517, '126109aa', -4, 0, 0)

Line : 187
File : sessions.php