Add original validation rule to Advance Custom Fields

I changed code like this, and it works now.

$_POST[‘acf’][‘species1’] to $_POST[‘acf’][‘field_xxxxxxxxxxxxx’]

‘field_xxxxxxxxxxxxx’ is name that is defined by ACF itself. My mistake was setting Custom key name instead of field name.

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