Google Sheets: Zap is creating duplicate rows

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Updated at August 20th, 2025

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Causes How to fix it

You've noticed that your Zap is creating duplicate rows in your Google Sheet. This means the same data is being added to the spreadsheet multiple times.

Causes

There are two reasons why this might be happening:

Large spreadsheet with Autoreplay: If you have a large spreadsheet and Autoreplay is turned on, the Zap may be trying to process the data too quickly and creating duplicates.
Unused columns: If your Zap is using columns you're not using in your spreadsheet, the Zap may create duplicate rows because it's unsure where to put the data.

How to fix it

There are two ways to fix this problem:

Start a new spreadsheet with less data: If you have a large spreadsheet, try starting a new spreadsheet with less data in it. This will give your Zap more room to process the data without creating duplicates.
Move/delete unused columns: If your Zap is using columns that you're not using in your spreadsheet, try moving or deleting those columns. This will prevent the Zap from creating duplicate rows.
- Make sure the Zap is turned off while you're moving or deleting rows. This will prevent the Zap from creating new duplicates while you're working on the spreadsheet.
- Once you've finished moving or deleting rows, turn the Zap back on and test it to make sure that it's no longer creating duplicates.

Google Sheets: Zap is creating duplicate rows

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Causes

How to fix it

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