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 ('a199a6e3a3ba0087e598d91ccae8a8df', -1, 1715028758, 1715028758, '1277ac92', -4, 0, 0)

Line : 189
File : sessions.php