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 ('e1f2ccc9a79f2fea456598d340cbc385', -1, 1730420989, 1730420989, '0389a6fc', -1, 0, 0)

Line : 195
File : sessions.php