Causes of runtime errors for the key button

If a key button's Send press to property is set to a Linked object, and the object specified in the Linked object property does not exist or is not a valid object for the key button to work with, when the button is pressed, the application logs an error to FactoryTalk Diagnostics.

For details on the error conditions that can occur when a key button function is sent to the selected object, see Help for the object the key button is being used with: