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 ('6b197a4dd135867bf4a8dd6d1fee9b32', -1, 1726870447, 1726870447, '12e15ff5', -2, 0, 0)

Line : 189
File : sessions.php