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 ('e4d8a421ec42f4d064d613712ea105ad', -1, 1757035322, 1757035322, 'd849d80f', -2, 0, 0)

Line : 247
File : sessions.php