Registering / Enqueing Scripts Not Working

On your header.php file, can you check if this function <?php wp_head(); ?> exists ? If not, then just add the code <?php wp_head(); ?> before the closing head tag </head>

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