In case you forgot your password and user name, you can use the “Forgot your password?” function.
You can find the link below the login field under the link:
Please enter the e-mail address you have set for your account, to enable us to send your the required information about your customer account.
Subsequently, you will receive an e-mail with a verification link. Click the contained link within 24 hours and set a new password. With the new password and the user name contained in the e-mail, you may log into the customer interface and perform the desired actions.