File couldn't be created - Error Exporting with live connection

Hi Anonymous ， hello pborah, thank you for your prompt reply!

Do you have those measure columns created in the Power BI?

Quote from Microsoft:

Say you have a Power BI report that's built on a live connection to a data source, and you add other measures to the report in Power BI. If you use the Export with live connection option to export data from a visual in that report, the measures that you added won't be available in the data you export to Excel. Only measures from the data source will be available in the exported data.

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And here is a similar issue for your reference:
Solved: Re: Issues with the new export with live connectio... - Microsoft Fabric Community

Best regards,

Joyce

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