Ariba invoice blocked by a missing service entry sheet

If an Ariba service invoice is blocked because a service entry sheet is required, confirm which service document the buyer expects and whether it has been accepted. Create or correct the service record through the customer’s allowed workflow, then wait for any required buyer approval before invoicing. An invoice attachment is not automatically a substitute for an accepted service entry sheet.

Buyer settings, document status, and country-specific invoice rules vary. Follow the rejection message and your customer’s supplier instructions. This guide explains checks and escalation, not permission to bypass buyer approvals.

Why this happens

A service PO may require evidence of performed work before an invoice can be matched. A missing sheet, unaccepted sheet, incorrect PO reference, or mismatch in quantities or service periods can prevent progress. The exact prerequisite depends on the customer; not every service invoice uses the same workflow.

How to investigate and resolve it

1. Identify the prerequisite. Read the message on the invoice or PO and consult the buyer’s supplier instructions. Confirm whether the issue is a service entry sheet, order confirmation, or another acceptance record.
2. Check the associated service record. Locate the record linked to this PO and compare service dates, line references, quantities, and amounts. A sheet for another period or line may not support this charge.
3. Correct or submit the service evidence. Use the actions enabled for your account and customer. Provide accurate evidence of completed work; do not create duplicate service records simply because approval is taking time.
4. Ask the buyer about acceptance. If the required sheet is awaiting review, contact the service approver or procurement owner. Ask which record must be accepted and whether any additional evidence is missing.
5. Invoice the accepted work. After the required acceptance is reflected, create or correct the invoice from the appropriate order or service record. Compare the invoice to the accepted work and monitor both routing and invoice status.

What the supplier can fix—and what the buyer must confirm

Supplier: Provide accurate service dates, quantities, references, and completion evidence through the workflow the buyer enables.

Buyer: Approve or reject the service evidence and resolve missing buyer-side acceptance. The supplier cannot assume authority to approve its own work.

Example: choosing the right next action

Your July invoice covers forty hours, but the service sheet for July is still awaiting the buyer’s approval. A PDF timesheet attached to a new invoice may not unblock the acceptance requirement. Follow up on the existing service record first.

A message you can send to AP or procurement

Our invoice for [service period] against PO [number] is blocked by a service entry requirement. Service record [reference] shows [status]. Please confirm the record and approver required for acceptance, and identify any missing evidence.

How to confirm the issue is resolved

Before retrying, confirm that the source of the rejection has changed—not only that you can press Submit. Keep the original and correction references linked in your AR records. After submission, inspect the document’s status and any buyer response. An accepted submission is not the same as approval or payment; if the invoice is rejected again, preserve the new reason and ask the responsible owner to address it.

Frequently asked questions

Why is Create Invoice unavailable on an Ariba service PO?

A prerequisite may be missing, but that is not the only possible cause. Check the message, PO status, customer rules, and required acceptance record.

Can I attach the service sheet and skip approval?

No such workaround should be assumed. Follow the customer’s required service acceptance process.

Prevent the same exception next time

Keep a customer-specific invoice checklist with required fields, documents, approvers, and correction rules. Before each submission, compare the source invoice, PO, and supporting evidence. Give one person or process clear submission ownership and track status changes so a rejected invoice does not disappear from follow-up.

For the full submission flow, use the supplier guide below. For recurring portal work, LedgerUp’s procurement portal automation is a separate option to explore; the buyer still controls order changes and approvals.