After doing arrow and distance annotation the application brokes

After doing arrow and distance annotation the application always brokes.

Log: log-arrow-distance-annotation.7z (2.2 KB)
Git project: GitHub - groupdocs-annotation/GroupDocs.Annotation-for-Java: GroupDocs.Annotation for Java examples, plugins, and showcase
Git branch: master
Git revision: aeb3d5d9
Browser: Chrome Version 92.0.4515.159 (Official Build) (64-bit)
SO: Windows 10
Java version: 1.8.0_281

This topic has been moved to the related forum: Arrow and distance annotations are not working in Java - Free Support Forum - groupdocs.com