ERPNext Setup Wizard - Web service failed to load?

Web service call

args:{“language”:“English”,“country”:“India”,“timezone”:“Asia/Kolkata”,“currency”:“INR”,“full_name”:“asd”,“email”:"asd@gmail.com",“password”:“asd”,“domains”:[“Education”],“company_name”:“asd”,“company_abbr”:“asd”,“company_tagline”:“asd”,“bank_account”:“asd”,“chart_of_accounts”:“India - Chart of Accounts”,“fy_start_date”:“2017-04-01”,“fy_end_date”:“2018-03-31”}
cmd:frappe.desk.page.setup_wizard.setup_wizard.setup_complete

response:

jquery.min.js:4 POST http://localhost:8000/ net::ERR_EMPTY_RESPONSE

Failed to load data