Confusion on how to display custom field data

Use: get_post_meta():

if ( get_post_meta( $post->ID, 'MyField', $single=true ) ) {
    echo get_post_meta( $post->ID, 'MyField', $single=true );
}

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