The reference to entity "version" must end with the ';' delimiter.

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While adding Facebook Like box to blogger source code I got the above error " The reference to entity "version" must end with the ';' delimiter." So, I got solution to resolve this issue and I want to share my experience with you. Facebook like box is very important to every blogger to promote their blogger as well as Facebook page.

Follow the below steps to add Like Box to your website

Step 1: Login to Your Blogger Blog.

Step 2: Place the below peace of code to your post page, where you want appear facebook plugin.

<div class="fb-like-box" data-href="https://www.facebook.com/FacebookDevelopers" data-width="300" data-colorscheme="light" data-show-faces="true" data-header="true" data-stream="false" data-show-border="true"></div>

Step 3: Select Template Section and click Edit Template.
Note: Before editing take backup.

Step 4: Copy the below Javascript SDK and paste it after opening <body> tag.

<div id="fb-root"></div>
<script>(function(d, s, id) {
  var js, fjs = d.getElementsByTagName(s)[0];
  if (d.getElementById(id)) return;
  js = d.createElement(s); js.id = id;
  js.src = "//connect.facebook.net/en_US/sdk.js#xfbml=1&version=v2.0";
  fjs.parentNode.insertBefore(js, fjs);
}(document, 'script', 'facebook-jssdk'));</script>

Step 5: While saving template you will get below error.

The reference to entity "version" must end with the ';' delimiter.

In your code is interpreting &version. Here ampersands (&) have a special meaning(amp;). So add the below code instead of Step 4.

<div id="fb-root"></div>
<script>(function(d, s, id) {
  var js, fjs = d.getElementsByTagName(s)[0];
  if (d.getElementById(id)) return;
  js = d.createElement(s); js.id = id;
  js.src = "//connect.facebook.net/en_US/sdk.js#xfbml=1&amp;version=v2.0";
  fjs.parentNode.insertBefore(js, fjs);
}(document, 'script', 'facebook-jssdk'));</script>

Now error will disappear from your template page.

Step 6: Thats it. Save your template and refresh your page.

Now you can see you facebook like box on your website.

All the best !!!

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