Why SAP rejects invoices
SAP invoice rejections are rarely caused by complex accounting logic. In most cases, invoices fail due to basic structural or data issues that could have been detected before posting.
Key point:
Most SAP invoice rejections are preventable. They originate from common invoice errors that trigger automated controls in Accounts Payable.
Most SAP invoice rejections are preventable. They originate from common invoice errors that trigger automated controls in Accounts Payable.
Common reasons SAP rejects invoices
- Missing or duplicate invoice numbers
- Invoice dates in closed posting periods
- Totals that do not match line items
- Incorrect or missing VAT amounts
- Inactive or unknown suppliers
- Missing mandatory tax or compliance fields
These issues represent a large share of invoice rejections in real SAP Accounts Payable environments.
How to prevent SAP invoice rejections
The most effective way to reduce SAP invoice rejections is to validate invoices before posting.
- Check invoice structure and required fields
- Validate totals, VAT, and basic calculations
- Verify supplier and master data consistency
- Detect duplicates and posting period issues early
These checks are part of the 30 most common invoice errors that cause rework, SAP rejections, and payment delays.