phpBB : Critical Error

Error creating new session

DEBUG MODE

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

INSERT INTO sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('d673b17925bfd999e16d6b1002a318a3', -1, 1715105910, 1715105910, '0391821f', -1, 0, 0)

Line : 189
File : sessions.php