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 ('1200622f271f7977b007d9dfd9b6d3d8', -1, 1726882243, 1726882243, '038a2514', -4, 0, 0)

Line : 189
File : sessions.php