If taxonomy show class of active

You should go and read Debugging in WordPress, as this problem could be easily solved with debug set to true

is_taxonomy() was depreciated in version 3.0 already, and has been replaced with is_tax( $taxonomy, $term )

You’ll just need to specifiy your taxonomy and term in the parameters and you should be good to go

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