Activity Chart Checks : (C3051) Definition off-page connectors with conflicting arrow directions in instance off-page connector

(C3051) Definition off-page connectors with conflicting arrow directions in instance
off-page connector

Error In:
Correctness
Description:
There are definition off-page connectors whose matching connector in the instance chart has a conflicting arrow direction.
This check is performed only when you specify with definition charts. The error is reported in the definition chart.
Erroneous Elements:
Definition off-page connectors