TF400594: An error occurred while resizing one or more storyboard shapes. This error can be caused by performing multiple ...

TF400594: An error occurred while resizing one or more storyboard shapes. This error can be caused by performing multiple resize operations.

To recover from this error, either undo the last operation, or remove the specific instance of your resized shape and reinsert a new one.

If the error continues, save, close, and reopen your presentation. You might also need to restart PowerPoint.