This is a problem in 4.5.
It has been fixed in version 4.5.1. beta which you can download here: https://www.visualdatatools.com/DataGraph/Versions/Beta/
We will be releasing the beta as the next version, in the next week or two but you can use it now.
FYI – If you find you are having to repeat the same actions many times, feel free to describe your work flow and we can suggest a way to simplify/save time.