old_contents: import React from 'react';
  import { FormattedMessage } from 'react-intl';
  
  const UserNotFound = () =>
    <strong className="text-center w-100 p-5">
      <FormattedMessage id="user_not_found" />
    </strong>;
  
  export default UserNotFound;
  
new_contents: import React from 'react';
  import { FormattedMessage } from 'react-intl';
  
  const UserNotFound = () =>
    <div className="text-center">
      <h3>
        <FormattedMessage id="user_not_found" />
      </h3>
    </div>;
  
  export default UserNotFound;
  
subject: Update UserNotFound statics to match with EmptyUserProfile