---
title: "ServiceTitan Error: You cannot use the same item in two different line items in this transaction"
slug: "error-you-cannot-use-same-item-in-two-different-line-items"
tags: ["Area - Accounting Integrations", "Focus - Construction", "Focus - Service Replacement", "Role - Accountant", "Role - Admin", "Type - Commercial", "Type - Residential"]
updated: 2026-07-11T14:50:31Z
published: 2026-07-11T14:50:31Z
canonical: "help.servicetitan.com/error-you-cannot-use-same-item-in-two-different-line-items"
stale: true
---

> ## 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: You cannot use the same item in two different line items in this transaction

## Problem

This error occurs when there is an Inventory Adjustment that contains the same material/equipment twice within the adjustment.

## Solution

### Consolidate materials

To resolve this error:

1. Click on the Inventory tab > navigate to the adjustment screen. ![](https://cdn.document360.io/961862ab-d0f2-4d91-bb62-a62ee8184eff/Images/Documentation/servicetitan-error-you-cannot-use-the-same-item-in-two-different-line-items-in-this-transaction-image-lyvbotcc.png)
2. Search for the adjustment you are trying to export. ![](https://cdn.document360.io/961862ab-d0f2-4d91-bb62-a62ee8184eff/Images/Documentation/servicetitan-error-you-cannot-use-the-same-item-in-two-different-line-items-in-this-transaction-image-0fzcc2kl.png)
3. Click **Edit**. ![](https://cdn.document360.io/961862ab-d0f2-4d91-bb62-a62ee8184eff/Images/Documentation/servicetitan-error-you-cannot-use-the-same-item-in-two-different-line-items-in-this-transaction-image-9uy7zret.png)
4. Consolidate the materials instead of having them appear more than once.
  1. Click on the Trash Can icon to delete the second item. ![](https://cdn.document360.io/961862ab-d0f2-4d91-bb62-a62ee8184eff/Images/Documentation/servicetitan-error-you-cannot-use-the-same-item-in-two-different-line-items-in-this-transaction-image-6lghl4nm.png)
  2. Adjust the Quantity. ![](https://cdn.document360.io/961862ab-d0f2-4d91-bb62-a62ee8184eff/Images/Documentation/servicetitan-error-you-cannot-use-the-same-item-in-two-different-line-items-in-this-transaction-image-omofh8j4.png)
  3. Click **Save**.
5. On the Accounting Page, pull up the Batch with the error > Right Click + Reload anywhere on the screen to hard refresh the page > export the Batch. ![](https://cdn.document360.io/961862ab-d0f2-4d91-bb62-a62ee8184eff/Images/Documentation/servicetitan-error-you-cannot-use-the-same-item-in-two-different-line-items-in-this-transaction-image-1xk4xkbw.png)

### Related Content

- [Fix common QuickBooks errors](/v1/docs/fix-common-quickbooks-errors-qbo)
- [Export Error Report Guide](/v1/docs/export-error-report-guide)

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)