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 ('f25d2ed1b223013ade4f1f95ffd13a3f', -1, 1716268790, 1716268790, '03113f8a', 9, 0)

Line : 158
File : sessions.php