# Error: uploaded-size-mismatch

|                |                        |
| -------------- | ---------------------- |
| Error Type     | uploaded-size-mismatch |
| Relevant Store | All                    |

## Description

Uploaded Size Mismatch error is due to the file size not matching expectations after uploading to the destination.

{% hint style="info" %}
During the transfer stage, after uploading your file, we compare the file we downloaded to the file that was uploaded to ensure that file sizes match
{% endhint %}

## Common Root Causes

* There is a mismatch in the size of the downloaded file and the file we uploaded. This could indicate corruption of the file during upload or that we couldn't get all of the file to the storage provider.

## Quick Fixes

Rerun failures or a new delta migration


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