phpBB : Critical Error

Error creating new session

DEBUG MODE

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

INSERT INTO sub_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('458f00494f15a95813ef4d4b5707099d', -1, 1714517146, 1714517146, '0d3ac51a', -1, 0, 0)

Line : 187
File : sessions.php