title: Full Text Catalog size is zero
body: <p>This morning, suddenly, my prod database full text catalog -- Catalog Size = 0. Item Count = 0, and Unique Key Count = 0 and search function return empty result.</p>
  <p>I am using MS SQL 2012 - version 11.0.5678.0</p>
  <p>This application running over 5 years without any problem.
  <a href="https://i.stack.imgur.com/VHKSk.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/VHKSk.png" alt="enter image description here" /></a></p>
  <p>Any suggestion for it? Thanks</p>