Next button on a layer in a Master Slide not working
I am wondering if I am missing something obvious. I have set a nav bar on my master slide. Then I want the user to be able to click to show a larger nav bar. Everything works fine except the next button on the master slide layer. The back button works fine, just the next. I tried assigning the trigger to objects/text/pictures with no luck.
I tried searching this but couldn't find anything quite like this. Seems like a weird bug that other commands would work (back or jump to specific slide).
I have uploaded the source file. Any help is much appreciated.