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 ('112ded66eb4e7431f68de9d8d4d04109', -1, 1714563926, 1714563926, '12755b99', 23, 0)

Line : 158
File : sessions.php