Bootstrap 4.2.1 - Failed to execute 'querySelector' on 'Document': '[removed]void(0);' is not a valid selector

Question

I am working on a project which I started building on bootstrap 4.0.0. During this project, I had updated bootstrap regulary whenever the new versions ( 4.1.0

Answer 1

I was having this issue, and a comment on this reported issue clued me into the solution. I was copying the example from the Bootstrap docs, and I had to remove the ID from the parent link, and instead have that ID on the container for the child links, without the aria-labeledby property, and add a reference in the parent link data-target property.

This example shows what I was doing, which caused the console errors:

    
        Commercial
    
    

        Dashboard
    

This is the solution that worked for me:

    
        Individual
    
    

        Dashboard