When you receive an e-mail informing you that an activity has failed you can review the input and output data of the activity to find out whether they caused the failure.
Select the process instance of the executable process containing the failed activity. You were informed about the relevant activity in the notification.
Click History.
Click the activity whose execution failed.
Input and output data of the activity are displayed. Review the data.
You can change the output data using the function Skip activity.