Could someone help to solve this problem? I have used shipping pro 3 months unitl now I found an error, after I changed the weight rate in manufactor. Below is from debug mode.
vmdebug Problem in store VmTableData Duplicate entry '255' for key 'PRIMARY' SQL=INSERT INTO `gjwgd_virtuemart_shipment_plg_shipping_pro` (`id`,`virtuemart_order_id`,`order_number`,`virtuemart_shipmentmethod_id`,`shipment_name`,`shipment_cost`,`shipment_package_fee`,`tax_id`,`created_on`,`created_by`,`modified_on`,`modified_by`) VALUES ('0','907','9ed80799','11','EMS ราคา','70','0','0','2015-03-06 15:25:17','0','2015-03-06 15:25:17','0')