Thanks for reaching out, welcome to our community.
Can I kindly ask you to elaborate more with answering the below questions to ensure comprehensive support as usual:
1- Did you onboard successfully on production env?
2- What is the type of invoice that you are sending?
3- What is the API that you are send the invoice to?
1- Did you onboard successfully on production env? yes we complete soluotion registartion
2- What is the type of invoice that you are sending? Standard_Invoice
3- What is the API that you are send the invoice to? https://gw-fatoora.zatca.gov.sa/e-invoicing/core/clearance/single