Before transforming an EPC to a BPMN diagram you can check whether the modeling is correct.
Procedure
Click ARIS > Explorer.
Select the relevant model(s) or a group that contains the models to be checked.
Click Start semantic check in the Evaluate tab bar. The Semantic Check Wizard opens.
Select the Validation for an EPC-to-BPMN transformation profile and click Next.
Specify the relevant settings and click Finish.
The model(s) are checked and the relevant messages are displayed. If you run the semantic check on a single opened model, any modeling errors are marked in the model.