phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '-1' for key 'session_user_id'

INSERT INTO sub_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('da7969a54d0e9fedea2b07605254e1c1', -1, 1714514528, 1714514528, '038d29bb', -2, 0, 0)

Line : 187
File : sessions.php