phpBB : Critical Error

Error creating new session

DEBUG MODE

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

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('eab8d1f2329ac1dcd76e3ae83cd8ce55', -1, 1713529540, 1713529540, '0389b420', -11, 0, 0)

Line : 187
File : sessions.php