Statechart and Activity Chart Relation Checks : (C7211) Elements that are used in a statechart but are neither input nor affected internally

(C7211) Elements that are used in a statechart but are neither input nor affected internally

Error In:
Completeness
Description:
Variable events, conditions, or data-items are used (evaluated) in the statechart, but are not specified in the activity chart as input to the control activity (directly or to one of its ancestors), nor are they generated or modified by actions in the statechart.
Erroneous Elements:
Events, conditions, and data-items