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 ('7b9899c5bfc23b7ad21af2c605119d9d', -1, 1715104070, 1715104070, '0387c631', -7, 0, 0)

Line : 189
File : sessions.php