title: Magento2 error: We're sorry, an error has occurred while generating this email
body: <p>I am getting below error in magento 2 local system:</p>
  
  <blockquote>
    <p>We're sorry, an error has occurred while generating this email.</p>
  </blockquote>
  
  <p>It is not showing me the sample data installed in catalog. Please help me out to get solution of this problem.</p>
  
  <p>Regards,</p>
  
  <p>Rakesh Kumar</p>