phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '-1' for key 'session_user_id'

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('be26828f6dfc238c45cf68b9186fe560', -1, 1713598153, 1713598153, '03156889', -1, 0, 0)

Line : 187
File : sessions.php