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Solution "xxx" failed to import: Import failed: An item with the same key has already been added.

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I am working on two environment named "Test" and "Dev". The same unmanaged solution is deployed to these 2 environments.

Then I edit the App, Flows, Env variables in Test. After some changes I exported from Test and import to Dev. It is fine.

After that I modified the App, Flows, and Env variables in Dev. Then export to a solution with new version number. However, when I tried to import it back to "Test", I got below error:

Solution "xxx" failed to import: Import failed: An item with the same key has already been added.

I checked the log "xxx_import.xml" the error is failed at the App.

Solution

xxxApp

xxx App

Failure

Import failed: An item with the same key has already been added.

What could be the problem?

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Gopala_Krishna 1,495 on at

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@Anonymous
This happens because of failure in schema validation. For example let's consider you have a table students in Dev and Students in Test environment. Now when you attempt to import the solution you will have the same error as listed above as the name of the table between two environments is different.

Check all the custom tables you have created between Dev and UAT and validate if the schema names for all of those tables is matching or not.
Please refer the this blog post for more detailed insights
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Community Power Pla... on at

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Hi Gopala thanks for your reply. I forgot to mention my data source is SharePoint online and no Dataverse is involved.

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Community Power Pla... on at

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It is resolved by remove the content in environment variable before export solution. Thanks.

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