I have fresh install magento 2.1.5. Every thing is working well except admin data grid. I also run php bin/magento setup:static-content:deploy, but issue still exists.
When I use inspect element i found that th tag around span tag is missing.
How I solve this issue, This issue is with all ui component grid.
Best Answer
I was having the same exact issue. It seems to have something to do with the server configurations not applying the JS correctly. Knockout JS was attempting load the templates for the admin data grids, but the tags weren't being rendered, now allowing the columns to be counted when it reaches the toolbar.js file.
Solution
Go to your Magento Root and add this to your .htaccess file: