Thanks for your question.
The primary purpose of authentication code is to ensure the account security of our members. Every time you clear the cookies from your device or change your device while logging in to your account, the authentication code is prompted to create a security wall between the user and valuable data secured in your account.Also, for security reasons, the authentication code can not be deactivated. So please follow the instructions mentioned above to generate the authentication code for sale log in to your account.
Hope the answer helps.
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