Posts not showing category and tag wise in wordpress

I am facing an issue in my wordpress theme! I am using Master study wordpress theme! Every thing is working fine , but when i click on categories or tag link it show me nothing on the clicked category/tag page

In this website woo-commerce is also installed, Product categories and tags are working fine, but in posts section i am facing this issue

I also tried with re-activating some plugins !

But nothing works! Give me some suggestion how can i fix it!

Plz help me ! Thanks

via Chebli Mohamed