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 ('26b1c64ea06f76325e97e4d3d593c2a3', -1, 1715207832, 1715207832, '340e9637', 8, 0, 0)

Line : 189
File : sessions.php