Trovata la soluzione!
basta aprire il file:
administrator/components/com_virtuemart/classes/ps_checkout.php
e modificare la line di codice (2415)
da coś:
function country_in_eu_common_vat_zone ($country) {
$eu_countries = array ('AUT', 'BGR', 'BEL', 'CYP', 'CZE', 'DEU', 'DNK', 'ESP', 'EST',
'FIN', 'FRA', 'FXX', 'GBR', 'GRC', 'HUN', 'IRL', 'ITA', 'LVA', 'LTU',
'LUX', 'MLT', 'NLD', 'POL', 'PRT', 'ROM', 'SVK', 'SVN', 'SWE');
return in_array ($country, $eu_countries);
}
a coś
function country_in_eu_common_vat_zone ($country) {
$eu_countries = array ('AUT', 'BGR', 'BEL', 'CYP', 'CZE', 'DEU', 'DNK', 'ESP', 'EST',
'FIN', 'FRA', 'FXX', 'GBR', 'GRC', 'HRV', 'HUN', 'IRL', 'ITA', 'LVA', 'LTU',
'LUX', 'MLT', 'NLD', 'POL', 'PRT', 'ROM', 'SVK', 'SVN', 'SWE');
return in_array ($country, $eu_countries);
}