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Connecting from Power BI Desktop to a model in my workspace. I go to DATAHUB > POWER BI DATSETS, choose my dataset, and get the error:
We couldn't get the data for this visual due to an authentication error. Please try again later.
Detail reveals the message: One or more errors occurred. ---> System.ArgumentException: An item with the same key has already been added.
Rolling back to July 2022 fixes this bug. Can you please fix it in August release?
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Seems like could not reproduce it in my side as far as my test.
Whether you have used Live Connection mode or Direct Query mode to connect to Power BI datasets when facing with this issue.
In addition, if clear the credetials in data source settings and try to reconnect to the same datasets, whether it works.
Best Regards,
Community Support Team _ Yingjie Li