It looks like you haven't turned on the Projects feature yet, sales. 

I'll walk you through on how to turn it on:

1. Click the Gear icon.
2. Select Account and Settings.
3. Go to the Advanced tab.
4. Click the Pencil icon in the Projects row.
5. Put a check mark in the Organise all job-related activity in one place box.
6. Click Save.
7. Click OK to confirm, then Done.

I'll share you this reference to know more about setting up and using the Projects feature.

Tag me if you need more help from this. I'll get back to you as soon as I can.