How to show author’s avatar in the post meta data with plugin `user-avatar`

Use get_the_author_meta(), this function returns data, it doesn’t display it.
For example:–

<?php $user_email = get_the_author_meta('user_email'); ?>

For more information check it in the codex

Hata!: SQLSTATE[HY000] [1045] Access denied for user 'divattrend_liink'@'localhost' (using password: YES)