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 ('2e259cd5fc16b5f2beb0cb3d7092de01', -1, 1714690117, 1714690117, '0d3b09ec', 16, 0)

Line : 158
File : sessions.php