Is there a maximum number of interfaces allowed in the Component Editor?

Yes, I finish the component editor and chose to save. At that point, it writes to the _hw.tcl file. The first time I saved my component, I did not include all the interfaces. To add additional interfaces, I edited the component and continued adding. The next time I saved, multiple, previously added components were removed from the .hw.tcl file. I've tried tackling this in different ways, like adding them one at a time and saving in between (very time consuming); however, I always get to a point where the save action removes interfaces that were previously added. At this point, I have opted to edit the tcl file directly and stop using the Component Editor, especially after finding multiple postings in the Community regarding the flakiness of that tool.