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 ('8d7e9d5e539502094b0553d0fc8a5152', -1, 1714050598, 1714050598, '340f3f91', 7, 0)

Line : 158
File : sessions.php