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, session_admin) VALUES ('bd2634e906dddd336a7fdc4024493411', -1, 1730421488, 1730421488, '03901985', -1, 0, 0)

Line : 195
File : sessions.php