phpBB : Critical Error

Error creating new session

DEBUG MODE

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

INSERT INTO magpies_phpBB_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('df1b39262e39342821bdf3290f16f088', -1, 1656806795, 1656806795, '03ee7d4c', 23, 0, 0)

Line : 282
File : sessions.php