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 ('fed32d4d9c006314f3623346e26a0922', -1, 1714016074, 1714016074, '03814597', -10, 0, 0)

Line : 187
File : sessions.php