Currently I have been using the following in older InDesign version ...
//GROUP AND SELECT ALL ITEMS ON PAGE 1-----------------
myItems1 = app.activeWindow.activeSpread.pageItems;
app.activeWindow.activeSpread.groups.add(myItems1);
app.select(myItems1);
Currently I am getting an error in InDesign CC saying ... that the middle line within the above code is an error string: Invalid Parameter. I have been searching what has changed and so far I am not finding anything on this.
I need to group all items on an active spread (page).