Ajax Query returns zero

if ajax returns zero, the function bound is not registered properly

have a read:
http://arresteddeveloper.net/woocommerce-get-variation-description-variation-select-changes/

this might point you in the right direction

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