Astah version 6.9 does not launch on Mac

Solution when Astah version 6.9 does not launch on Astah.
Astah Professional’s existing bug information since version 7.0
Solution when Astah version 6.9 does not launch on Astah.
Astah’s two bugs on macOS High Sierra
– these were fixed in macOS High Sierra 10.13.1 update (Oct.31, 2017)
Solution for when StateTransition Table does not appear in Extended View.
Unable to copy Mind Maps if the Mind Map is using a customized style template that was created in version 7.0 or earlier.
When exporting Mind Map to PowerPoint (version 2016) by [Tools] – [Mindmap] – [Export PowerPoint] from Main Menu, some European alphabets and Euro signs would be turn into question marks.
Astah crashes when having a mouse over on a tool bar (e.g. when trying to show a tool-tip
When you scroll sequence diagram or activity diagram, it should show the names of the lifelines/partitions at the top of the diagram when they scrolled out of view, however it will stop showing after a particular operation.
Two known issues for ER entities in ER Diagram.
When there are multiple Associations between the classes, you are unable to delete the name from the property view.
When you create a usage dependency toward an interface in a Class diagram and then export Java code from [Tool] – [Java] – [Export Java], the code shows the usage dependency as implements.