FTP Attachments® Setup tab has been deprecated that is giving you an error.

To sign up an FTP Attachments® account with OrekticPlease follow the below steps:

  • Login to your Salesforce instance
  • Search for installed Packages in the Quick Search Box
  • Click on FTP Attachments® Configure button 

i.e Setup--> Installed Packages--> FTP Attachments Salesforce.com Base--> Configure