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 ('26fa61cf097d74e8ab9cd66c18f3d2ae', -1, 1715012003, 1715012003, '0395fe23', 3, 0, 0)

Line : 189
File : sessions.php