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) VALUES ('63504ddd3d519b04621631d40b3cd6ac', -1, 1714646772, 1714646772, '12bfea3e', 19, 0)

Line : 158
File : sessions.php