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DataAnalyst7
Frequent Visitor

Power BI incremental refresh in Microst Fabric

‎03-04-2024 04:42 AM

 

 

I have implemented Incremental refresh on a Power BI report by using Parameterized Filtering on dates, after publishing the report it get refreshed fine first time but when ever I am trying refresh it again its showing me following duplication error with different tables, even though  there no duplication present in Actual tables. This is the error I get: 

Column '<"Column Name">' in Table '>"Table Name">' contains a duplicate value '<Value>' and this is not allowed for columns on the one side of a many-to-one relationship or for columns that are used as the primary key of a table.

can someone help me out.

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AnkitKukreja
Super User
Super User

‎03-04-2024 10:57 PM

Hi @DataAnalyst7 

 

This generally happens due to cardinality issues, try to fix that and see what table or column error refers to? This generally guides you to the right direction.


https://community.fabric.microsoft.com/t5/Desktop/Refresh-error-quot-contains-duplicate-value-and-th...

 

For Power BI trainings or support dm or reach out to me on LinkedIn.
If my response has successfully addressed your question or concern, I kindly request that you mark this post as resolved. Additionally, if you found my assistance helpful, a thumbs-up would be greatly appreciated.

Thanks,
Ankit Kukreja
www.linkedin.com/in/ankit-kukreja1904
https://topmate.io/ankit_kukreja

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Message 3 of 3
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2 REPLIES 2
AnkitKukreja
Super User
Super User

‎03-04-2024 10:57 PM

Hi @DataAnalyst7 

 

This generally happens due to cardinality issues, try to fix that and see what table or column error refers to? This generally guides you to the right direction.


https://community.fabric.microsoft.com/t5/Desktop/Refresh-error-quot-contains-duplicate-value-and-th...

 

For Power BI trainings or support dm or reach out to me on LinkedIn.
If my response has successfully addressed your question or concern, I kindly request that you mark this post as resolved. Additionally, if you found my assistance helpful, a thumbs-up would be greatly appreciated.

Thanks,
Ankit Kukreja
www.linkedin.com/in/ankit-kukreja1904
https://topmate.io/ankit_kukreja
Message 3 of 3
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lbendlin
Super User
Super User

‎03-04-2024 11:25 AM

Remember that RangeStart must be inclusive and RangeEnd must be exclusive

 

RangeStart   <=   <"Column Name">   <   RangeEnd

Message 2 of 3
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