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 ('935b17740d264a6aa87c8f4dc4cba5aa', -1, 1713423740, 1713423740, '12740f1f', -7, 0, 0)

Line : 187
File : sessions.php