Why it gives an error after clicking "Confirm order"?

Good day!

A 3.8 Joomla, VirtueMart 3.4.6 and OnePageCheckout from Rupostel. All fields are filled, but after clicking the button "Confirm order", comes out this error:

Too few arguments to function VirtueMartModelState::testStateCountry(), 2 passed in /home/a/algoritm12/zakazpechati.rf/public_html/components/com_onepage/overrides/cart_override.php on line 2364 and exactly 3 expected


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On this line is:
if (!$msg = VirtueMartModelState::testStateCountry($cart->{$type}['virtuemart_country_id'], $cart->{$type}['virtuemart_state_id'])) {


Thanks in advance for the help!
March 19th 20 at 09:09
1 answer
March 19th 20 at 09:11
OnePageCheckout will update to the latest version. This error appears in their changelog, see screen

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