10000565 
Message
Define valid default value for new mandatory field
Diagnosis
In the Field Data window, you have selected the Mandatory Field option for a new field. However, you have not defined a default value, and this is required for mandatory fields.
Procedure
In the Field Data window, select the Set Default Value for Field checkbox.
In the field to the right of the Set Default Value for Field checkbox, enter a valid default value for the new mandatory field.
Choose the Add button.