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 ('dc1403f7efc6056cd503d19d1b8b6a15', -1, 1730446158, 1730446158, '03812d96', -1, 0, 0)

Line : 195
File : sessions.php