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 ('af72b5f3464916bad9e9ddb81a1130ab', -1, 1714372515, 1714372515, '12758e80', 7, 0)

Line : 158
File : sessions.php