web
You’re offline. This is a read only version of the page.
close
Skip to main content
Community site session details

Community site session details

Session Id :
Customer experience | Sales, Customer Insights,...
Answered

"An item with the same key has already been added." Encountered an Error while Running Dataflow

(0) ShareShare
ReportReport
Posted on by 50

Hi,

I was trying to import data From dataflow, got this error for the first time , the Table is Completely empty, and the same dataflow was working fine Hours ago.

Please help me identify the issue.

{"error":{"code":"0x80040224","message":"An item with the same key has already been added."}}

thanks

I have the same question (0)
  • Verified answer
    Bipin D365 Profile Picture
    28,983 Moderator on at
    RE: "An item with the same key has already been added." Encountered an Error while Running Dataflow

    Hello,

    Are you using Alternate key for your table in dataflow, if yes then make sure you have unique value for that column in your source table.

    Please mark my answer verified if this is helpful!

    Regards,

    Bipin Kumar

    Follow my Blog: xrmdynamicscrm.wordpress.com/

Under review

Thank you for your reply! To ensure a great experience for everyone, your content is awaiting approval by our Community Managers. Please check back later.

Helpful resources

Quick Links

Responsible AI policies

As AI tools become more common, we’re introducing a Responsible AI Use…

Neeraj Kumar – Community Spotlight

We are honored to recognize Neeraj Kumar as our Community Spotlight honoree for…

Leaderboard > Customer experience | Sales, Customer Insights, CRM

#1
Tom_Gioielli Profile Picture

Tom_Gioielli 179 Super User 2025 Season 2

#2
#ManoVerse Profile Picture

#ManoVerse 110

#3
Gerardo Rentería García Profile Picture

Gerardo Rentería Ga... 61 Most Valuable Professional

Last 30 days Overall leaderboard

Product updates

Dynamics 365 release plans