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 ('3659e6585cdf60ecc0f65b1f70d9cc16', -1, 1714248763, 1714248763, '12ddbb79', -1, 0)

Line : 158
File : sessions.php