A system generated contact log is created when completing certain tasks within the system.
A pop-up will open requesting you to Please Select a Reason of Contact.From the drop down list you are required to select an option and press OK to proceed.
If the Reason of Contact for your type of communication/action is not listed, it is required to be created from the Masters.

To learn how to create/edit new Reasons of Contact please visit How to create a new - Reason of Contact.