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 ('b9842254e6a998542e3803689a7011ce', -1, 1715194828, 1715194828, '1275e3c2', -1, 0, 0)

Line : 189
File : sessions.php