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) VALUES ('eec1a2d492f1a94f3e013c9ff09e9e1c', -1, 1716076230, 1716076230, '038d147a', 16, 0)

Line : 158
File : sessions.php