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 ('af18f0b761e6b6445403f8d7d8017800', -1, 1714412099, 1714412099, '12d974b7', 20, 0)

Line : 158
File : sessions.php