---
title: "ServiceTitan error LazyProxyImpl Entity: PaymentSplit / ApplyJournal Entry"
slug: "st-error-lazyproxyimpl-entity-paymentsplit-applyjournal"
tags: ["Area - Accounting Integrations", "Focus - Construction", "Focus - Service Replacement", "Role - Accountant", "Role - Admin", "Type - Commercial", "Type - Residential"]
updated: 2026-10-15T02:37:14Z
published: 2026-10-15T02:37:14Z
canonical: "help.servicetitan.com/st-error-lazyproxyimpl-entity-paymentsplit-applyjournal"
---

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

# ServiceTitan error LazyProxyImpl Entity: PaymentSplit / ApplyJournal Entry

## Problem

This error means ServiceTitan was unable to confirm that Quickbooks correctly applied the payment (credit) to the invoice (transaction) in QuickBooks.

## Solution

### Find the payment

To resolve this error:

1. **In ServiceTitan**, find the payment.
  1. Click on Search > Select **Payment** from the dropdown menu > Search by **Batch Number**. ![](https://cdn.document360.io/961862ab-d0f2-4d91-bb62-a62ee8184eff/Images/Documentation/servicetitan-error-lazyproxyimpl-entity-paymentsplit--applyjournal-entry-image-d107qdz3.png?sv=2026-02-06&spr=https&st=2026-10-17T12%3A24%3A59Z&se=2026-10-17T13%3A24%3A59Z&sr=c&sp=r&sig=5hlOFRLS0RM1cO1rp0n9a%2F4UDuTlO7m14JRX3%2FHf9AI%3D)
2. Determine which invoice the payment was applied to.
3. In **QuickBooks** find the invoice.
  1. Click on **Edit** > **Find** > Click on the **Simple** tab > Search by Invoice Number. ![](https://cdn.document360.io/961862ab-d0f2-4d91-bb62-a62ee8184eff/Images/Documentation/servicetitan-error-lazyproxyimpl-entity-paymentsplit--applyjournal-entry-image-geiookv4.png?sv=2026-02-06&spr=https&st=2026-10-17T12%3A24%3A59Z&se=2026-10-17T13%3A24%3A59Z&sr=c&sp=r&sig=5hlOFRLS0RM1cO1rp0n9a%2F4UDuTlO7m14JRX3%2FHf9AI%3D) ![](https://cdn.document360.io/961862ab-d0f2-4d91-bb62-a62ee8184eff/Images/Documentation/servicetitan-error-lazyproxyimpl-entity-paymentsplit--applyjournal-entry-image-1e23trmb.png?sv=2026-02-06&spr=https&st=2026-10-17T12%3A24%3A59Z&se=2026-10-17T13%3A24%3A59Z&sr=c&sp=r&sig=5hlOFRLS0RM1cO1rp0n9a%2F4UDuTlO7m14JRX3%2FHf9AI%3D)
4. Click on **Go To** to go to the invoice.
5. Apply the payment or journal to this invoice so there is no longer an unapplied payment/journal entry.
  1. Click on **Receive Payment**. ![](https://cdn.document360.io/961862ab-d0f2-4d91-bb62-a62ee8184eff/Images/Documentation/servicetitan-error-lazyproxyimpl-entity-paymentsplit--applyjournal-entry-image-f3lfvegg.png?sv=2026-02-06&spr=https&st=2026-10-17T12%3A24%3A59Z&se=2026-10-17T13%3A24%3A59Z&sr=c&sp=r&sig=5hlOFRLS0RM1cO1rp0n9a%2F4UDuTlO7m14JRX3%2FHf9AI%3D)
  2. In the **Received From** the drop-down, select the customer's name. ![](https://cdn.document360.io/961862ab-d0f2-4d91-bb62-a62ee8184eff/Images/Documentation/servicetitan-error-lazyproxyimpl-entity-paymentsplit--applyjournal-entry-image-6tbnnj3l.png?sv=2026-02-06&spr=https&st=2026-10-17T12%3A24%3A59Z&se=2026-10-17T13%3A24%3A59Z&sr=c&sp=r&sig=5hlOFRLS0RM1cO1rp0n9a%2F4UDuTlO7m14JRX3%2FHf9AI%3D)
  3. Enter the Amount received.
  4. Make sure the date is correct, then choose the **Payment** method. ![](https://cdn.document360.io/961862ab-d0f2-4d91-bb62-a62ee8184eff/Images/Documentation/servicetitan-error-lazyproxyimpl-entity-paymentsplit--applyjournal-entry-image-fanohmg4.png?sv=2026-02-06&spr=https&st=2026-10-17T12%3A24%3A59Z&se=2026-10-17T13%3A24%3A59Z&sr=c&sp=r&sig=5hlOFRLS0RM1cO1rp0n9a%2F4UDuTlO7m14JRX3%2FHf9AI%3D)
  5. Select the invoice or invoices you'd like to pay.
  6. To add a discount or credit, select Discounts, and Credits.
  7. Select **Save & Close**. ![](https://cdn.document360.io/961862ab-d0f2-4d91-bb62-a62ee8184eff/Images/Documentation/servicetitan-error-lazyproxyimpl-entity-paymentsplit--applyjournal-entry-image-f3yy67mq.png?sv=2026-02-06&spr=https&st=2026-10-17T12%3A24%3A59Z&se=2026-10-17T13%3A24%3A59Z&sr=c&sp=r&sig=5hlOFRLS0RM1cO1rp0n9a%2F4UDuTlO7m14JRX3%2FHf9AI%3D)
6. Once you have applied the payment to the invoice, check the QBD Invoice balance and confirm that the balance matches the invoice balance in ST.
7. **In ServiceTitan**, export the batch again to clear the export error.

> [!NOTE]
> **Note:** Exporting the batch will not send any additional information over to QBD.

### Related Content

- [Fix common QuickBooks errors](/v1/docs/fix-common-quickbooks-errors-qbo)
- [Resolve QuickBooks Desktop integration export error messages](/v1/docs/resolve-quickbooks-desktop-integration-export-error-messages)

A batch, or invoice batch, is a set of invoices that have been audited and are ready to post. You will use the Invoice screen in ServiceTitan to create invoice batches. On the Invoice screen, you'll have access to unbatched and batched invoices.

[Learn more →](https://help.servicetitan.com/docs/servicetitan-glossary) · [See the full glossary →](https://help.servicetitan.com/docs/glossary-overview)