Hello support I have stranger issue , few days ago, I have problem with server sometimes up and down,this cause staff account mixed, when staff A login see welcome staff C and able to manage sales, product etc. of staff C but after shifting to another servers , still staff login mixed each other, and warehouses, sometimes user A login see welcome user C and see the items of warehouse of user C may I know what is problem please? This cause stranger issue in business . Please help as emergency.