title: Bootstrap's tooltips require Popper.js
body: <p>I use Bootstrap 4 and Jquery-3.3.1 in my project.
  I use js as follows:</p>
  
  <pre><code> &lt;script src="@Url.Content("~/Scripts/jquery-3.3.1.min.js")" type="text/javascript"&gt;&lt;/script&gt;
  
      &lt;script src="@Url.Content("~/Scripts/umd/popper.min.js")" type="text/javascript"&gt;&lt;/script&gt;
  
      &lt;script src="@Url.Content("~/Scripts/bootstrap.min.js")" type="text/javascript"&gt;&lt;/script&gt;
  </code></pre>
  
  <p>When the page loads, I have the following errors:</p>
  
  <pre><code>SyntaxError: export declarations may only appear at top level of a module   -----  popper.min.js:4:19633
  
  TypeError: Bootstrap's tooltips require Popper.js (https://popper.js.org/) ------ bootstrap.min.js:6:34702
  </code></pre>
  
  <p>And these warnings also give:</p>
  
  <pre><code>Source map error: request failed with status 404
  Resource URL: http://sitename.com/Content/bootstrap.css
  Source Map URL: bootstrap.css.map
  
  Source map error: request failed with status 404
  Resource URL: http://sitename.com/Scripts/bootstrap.min.js
  Source Map URL: bootstrap.min.js.map
  </code></pre>
  
  <p>please guide me</p>