install_required_data.sql contain error. On line 1337 , must be ;
INSERT INTO `#__virtuemart_states`
(`virtuemart_state_id`, `virtuemart_vendor_id`, `virtuemart_country_id`, `state_name`, `state_3_code`, `state_2_code`) VALUES
(NULL, 1, 105,'Barletta-Andria-Trani','BAT', 'BT'), -----> INSERT INTO `#__virtuemart_states`
(`virtuemart_state_id`, `virtuemart_vendor_id`, `virtuemart_country_id`, `state_name`, `state_3_code`, `state_2_code`) VALUES
(NULL, 1, 105,'Barletta-Andria-Trani','BAT', 'BT');
Thank you. Corrected.