---
title: "Exact Online invalid vendor for Administrators - Payhawk Help Center"
slug: "failed-to-export-into-exact-online-invalid-vendor-specified"
description: "Fix the \"Invalid vendor specified\" export error. Reactivate a deleted or ended supplier in Exact Online, or select an active supplier on the expense in Payhawk."
updated: 2026-10-27T15:08:27Z
published: 2026-10-27T15:08:27Z
canonical: "payhawk.com/failed-to-export-into-exact-online-invalid-vendor-specified"
---

> ## Documentation Index
> Fetch the complete documentation index at: https://payhawk.com/help/llms.txt
> Use this file to discover all available pages before exploring further.

# Failed to export into Exact Online. Invalid vendor specified.

## Error message

```plaintext
Failed to export expense. Invalid vendor specified.
```

## Affected ERP integrations

- Exact Online

## Cause

This error occurs when the supplier selected for an expense in Payhawk is not considered active in your Exact Online account. Exact Online cannot post transactions to inactive suppliers, which causes the export to fail.

A supplier can be considered invalid or inactive for two primary reasons:

- The supplier has been deleted and the supplier record no longer exists in Exact Online.
- The supplier's account has an **End Date** in the past, effectively deactivating them for any new transactions.

## Solution

You can resolve this issue in one of the following ways:

- Reactivate the supplier in Exact Online.
  1. Log in to your Exact Online account.
  2. Navigate to **Master Data** > **Accounts** > **Suppliers**.
  3. Locate the supplier that is causing the error.
  4. Click on the supplier's name and go to the **Information** tab.
  5. Check the **End Date** field. If a date is set that is in the past, you must remove it or change it to a future date to reactivate the supplier.

![Account maintenance interface showing details like name, address, and end date.](https://storage.googleapis.com/payhawk-cdn/Adm%3AIntegrations%3AError%20messages/exact_online_7.png)
  6. Click on **Save**.
- Select an active supplier in Payhawk.
  1. In the [Payhawk Web Portal](https://portal.payhawk.com), go to **Spend**.
  2. Click on the expense that failed to export.
  3. Change the selected supplier to an active one that exists in your Exact Online account.
  4. Save the expense and attempt to export the expense again. The export must now be successful.