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 ('998c2b8eb5e543eb4e57538e9a52d096', -1, 1730439586, 1730439586, '03104f92', -1, 0, 0)

Line : 195
File : sessions.php