When you discontinue an application, you always have to select the discontinued reason from the list of reason saved in the system. This will help you to review why you are loosing the application and works on the improvement.
You can always add and manage the discontinued reason. For this follow the following steps:
Please note you should have the correct permission for this:
Step 1: Select Settings from the top info bar.
Step 2: Select General.
Step 3: Select Discontinued Reasons tab.
Step 4: Select Add new Reason option to add the reasons of discontinuation.
Step 5: Select Save once you complete.