title: Breadcrumbs category name is missing on product detail page
body: <p>Im working on Magento 2.1.1 . When I open product page from product list page i cant able to see category name on breadcrumbs . It just shows homepage url followed by product name . Very rarely I can able to see full breadcrumbs with category name .</p>
  
  <p><a href="https://i.stack.imgur.com/TuQgz.png" rel="nofollow noreferrer">breadcrumbs - category name is missing . </a> </p>
  
  <p>Could someone please give me some ideas to solve this issue?</p>