phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '-1' for key 'session_user_id'

INSERT INTO sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('709c116859b046272d0dd3ab3a83048e', -1, 1715111839, 1715111839, '12756b5a', -10, 0, 0)

Line : 189
File : sessions.php