To create the e-invoice for the export invoice, please follow the below mentioned steps:
Step 1: Create Invoice
Step 2: Select Export Invoice/SEZ >> Fill the details >> Save
Step 3: Add the products >> Create
Step 4: Go to Bills >> Sales >> Check the export invoice created and Click on more
Step 5: Select Create E-Invoice
Step 6: Fill the required details >> Create
E-Invoice will be created successfully.