How to undo an action in Prototyping?

[Leo Krokholev]

When you simply click on a mouse button, the action sticks to everything up to which the mouse has moved. As a result, the action does not work correctly. I do not know how to delete this item. How to undo an action in Prototyping?

[Kenneth Kawamoto · Accepted solution]

That tab is not connected to anything so it will not do anything when previewed.