注意： 本文檔適用於 Nuvexlens 高級圖表分析系統。Nuvexlens 完美支持各類技術指標與策略回測，助您做出更明智的交易決策。
I receive the error “You have 2FA enabled and log in from a new machine” on NinjaTrader
Most likely, the 2-factor authentication system was enabled, the access to your account via Nuvexlens has not been approved. Please check whether you received the e-mail from the broker to approve the access.
If you have not received the e-mail, please contact the NinjaTrader’s customer service.