Joe Biden’s lead in Arizona dropped from 10,377 votes to 4,202 after a machine error was discovered on Tuesday.

The error was from a faulty upload from Greenlee County, which showed 22,110 votes — but should have been 3,723.

A data analyst for ABC 15, Garrett Archer, tweeted about the error before trying to downplay it by saying it “happens from time to time.”

Getting this in now:
State…UNOFFICIAL results have Biden and Trump separated by 4,202 votes right now.
This morning it was 10,377. The difference?

A faulty upload from Greenlee county.

They show 22,110 votes. Should be 3,723

Certified canvass: https://t.co/rAmCj2Ealv

— The AZ – abc15 – Data Guru (@Garrett_Archer) November 24, 2020

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The error gave Biden more votes than he is currently ahead by. It seems all of these errors end up working to the benefit of one side.

Unofficial election results were displaying incorrectly briefly today due to an uploading error that posted Greenlee County’s results multiple times while uploading write-in candidate info. The error has been corrected. https://t.co/npEPjTdFP3

— Secretary Katie Hobbs (@SecretaryHobbs) November 24, 2020

Arizona Secretary of State Katie Hobbs tweeted about the error, saying “Unofficial election results were displaying incorrectly briefly today due to an uploading error that posted Greenlee County’s results multiple times while uploading write-in candidate info. The error has been corrected.”