Broken Navigation

Hi, I love this plugin. I’ve had a hard time finding a plugin that will display academic publications on a research website. This one does the trick but I have a small problem. Every time I use it on a page it breaks the navigation on the side menus. I need the side menu to show child sub menu navigation. I tried digging through the code but I have no idea what I’m looking for to fix this. Can anybody help?

https://www.ads-software.com/extend/plugins/wp-academic-publications/