The App Keeps Crashing on iPad Pro – Creative Design - Workflow & Diagram & Mockup Review

Hello, your software very helpful, however, whenever I create new diagrams. The software would crash in the middle of diagram creation and while typing text. I am currently using the iPad Pro pen via Bluetooth. Please let me know, once the issue has been resolve for 5 star rating. Thank you in advance.
Review by Tripwire22 on Creative Design - Workflow & Diagram & Mockup.