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 ('af75dc587eba1b90daccabf923105a65', -1, 1713557147, 1713557147, '03164609', -11, 0, 0)

Line : 187
File : sessions.php