What exactly does this error mean? Can you help me?
GuidedDraggingTool is not in the GoJS library, but is an extension sample class. And there is no GoJS version 5.23. So that file must have been made by your project.
What was the first error?
So was the error that there was no Diagram when trying to get its Diagram.toolManager property?
What was the code? You’ll need to debug that.
My problem was fixed with the 2.2.6 update.