I use Corel Draw, but never reused macros.
Some versions ago some menus were changed. One that I remember is Poser Clip, so there is a chance that the commands that you are using were too.
Your Macro does not sound too complicated. Imho it would be better to create a new one. :o(
I do not fully understand the problem. :o( The animation runs too fast to see.
But probably you can try to edit the text without ungrouping, pressing Ctrl and Clicking on the object you need to interact with.
To group things, you could also use Ctrl+G.
Sometimes what I do is cutting some subgroups and pasting them on a new layer to organize them.
Perhaps you ...