Merge vs relationships

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Joined
Jan 24, 2012
Messages
189
Hi,

I am new to the Power BI world.

I created a power query with a lot of merges. Then read if you have a lot of merges, you should use relationships, so I tried. But I keep getting an error saying a relationship cannot be created because too many duplicates.

What is going on? When I used merged, I didn't have an issue.
 

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