TinyMCE Styles Dropdown not adding html tags other than span

Ran into the same issue, try taking the wrapper value out of your settings array.

array(  
    'title' => 'Head',  
    'block' => 'h4',  
    'classes' => 'headings'
), 

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