I am unable to generate QR codes for my invoices in BUSY. The QR codes are not showing up. What should I do to resolve this?

To generate QR codes for your E invoices in BUSY, you need to follow the below steps:
Step 1: To generate an e invoice bill in BUSY, ensure that e invoice confirgration is done in GST or VAT.
Step 2: Also, make sure that your QR code print option is enabled in the Sales invoice bill print option, as well as Print E invoice IRN, Ack. No., Act Date.
Step 3: Also, make sure the Voucher Series Configuration option generates an e invoice after the saving option is enabled.
Step 3: After confirming the above option, you need to go to the particular sale invoice bill, and in that, you will get the transport window. In the transport window, specify the e invoice required, yes, and fill in the relevant information for e invoice generation, then click OK.
Step 4: After saving the invoice, you will get a dialogue box asking, Do you want to generate an e invoice? Click Yes. After that, select Automatic Option, then you will find Automatic E Invoice INR Generation Window. In that window, select relevant option Yes if required, or either skip by No.
Step 5: After that, click on the OK option. You will get the check possible error option. Click on the check possible error option in this window. If you have any invalid transaction details, it will show you in red. You need to correct that invalid data by clicking on the red entry.
Step 6: After checking for possible errors, you need to go to the Generate and Viwe E Invoice option, where you will get a summary of the invoice, check the details, and then click on the Generate E Invoice option. Your invoice will be generated.
Step 7: After Generation on E Invoice, you will find the option to print the invoice. Click Yes 
Step 8: After that, your e invoice will be generated, and in the sale bill print format, you will find a QR code and an e invoice ID, Ack. No., and Act Date.