How to solve the Warning: Missing required field "updated" and hCard "author" in blogger

When I checked my blog hosted with Blogger for Google Authorship with Structured Data Testing Tool, i got two common warning and error messages and the and error messages Warning: Missing required field "updated" and Warning: Missing required hCard "author". I am sure mostly blogger users faced same problem. When I tried in Google Search Engine to solve my error Warning: Missing required field "updated" and Warning: Missing required hCard "author" in Structured Data Testing Tool then I found the solution for Word press mainly. 

So here I am going to try solving all blogger users problem.

Note: Please make sure before the make changes in the template please take the backup of blogger template.

Fix the errors of Missing Required Field Updated and Missing Required Hcard Author in the blog:

1. Firstly login to your blogger dashboard. 
2. Then go to your blogger Tempale.
3. Click on Edit Html
4. Expand Widget Templates

Initial Process:

Here we look for initial process to correct Google Authorship markup warnings and error in Blogger (Blogspot) template:

1. Search the word 'hfeed' and 'hentry' one at a time and rename all the instances those exist in blogger template with 'h-feed' and 'h-entry' in that order. 
2. Save template and now check gain Google authorship markup warnings and errors with Structured Data Testing Tool.

Get a smile on your face with no markup warnings and errors will be shown.

Second Process:

Now move on second process which is a little complex from first one:

1. Same as in Edit HTML section.
2. Now press Ctrl+F to find the code timestamp-link  like below

<a class='timestamp-link' expr:href='data:post.url' rel='bookmark' title='permanent link'><abbr class='published' expr:title='data:post.timestampISO8601'><data:post.timestamp/></abbr></a>

     3. Now carefully replace it with the given code below

<a class='timestamp-link' expr:href='data:post.url' rel='bookmark' title='permanent link'><abbr class='updated published' expr:title='data:post.timestampISO8601'><data:post.timestamp/></abbr></a>

    4. Save it…Now have a smile!

If the given code doesn't work the please use this: 

<a class='updated' expr:href='data:post.url' rel='bookmark' title='permanent link'><abbr class='updated published' expr:title='data:post.timestampISO8601'><data:post.timestamp/></abbr></a>

Now You can re check this here Structured Data Testing Tool.