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 ('2c30e51102e5a6f03d0a4323f335f685', -1, 1747984595, 1747984595, '038582c0', 5, 0, 0)

Line : 190
File : sessions.php