If you just had logged in, it is possible that you are the first one to use the Swap My Task app, please start adding some tasks by clicking Add Item button in your history tab.
If you logged in first time and you did not complete the User Profile or by any other reason your user profile is incomplete, please complete your user profile by providing all the information on the screen and press save button.
User Profile information is very important and has to be completed before you can have access to other functionalities in the App.