I skipped E-Invoicing in BUSY but need to generate it now. How do I turn on E-Invoicing?

If You skipped E invoicing in BUSY then you can follow the steps to turn it on 
1 Go to administration menu and click on configuration 
2 Click on feature option and click to GST VAT option 
3 Make Y on requried Einvoice option and click on configure and fill the location and pincode 
4 Then click on GSP configuration and select the GSP name for generating E invoice 
5 Fill the particular GSP user ID and password if you already created it if not create it before 
then go to ewaybill portal and login then click on Registration and select for GSP then varify OTP
6 Click on add and select a GSP like Webtel electrosoft Pvt ltd or Pinaccle Finserv advisors pvt ltd 
7 then select a 3 digit prefix and create a password using upper case lower case numeric and special character within 15 digit and add it then copy user name 
8 paste the new user name and password in gsp user id password in BUSY and save 
9 go to configuration menu and click on voucher series configuration then select sale and its series 
10 then click to voucher configuration and enable input transport details and generate E invoice after saving voucher options and save