Statechart Checks : (C1049) Definition off-page connectors with same name as in-page connector

(C1049) Definition off-page connectors with same name as in-page connector

Definition off-page connectors match to an instance off-page connector and have the same name as an in-page diagram connector.
Error In:
Correctness
Example:
In the following figure, the definition chart B has an off-page diagram connector AB12. The off-page connector has the same name as the in-page connector and is therefore illegal.
Erroneous Elements:
Connectors