Activity Chart Checks : (C4125) Elements that flow to/from continuous instance but are not used as actual parameters

(C4125) Elements that flow to/from continuous instance but are not used as actual parameters

Error In:
Completeness
Description:
Textual elements, flowing to or from a continuous instance, are not used as actual parameters.
Example:
Activity chart A2 contains an instance of a continuous diagram CALC. Data-item X is shown flowing into the instance of CALC; however, X is not bound to one of the parameters of CALC in the properties of the instance.
Erroneous Elements:
Textual elements