Tired of seeing DataSource.Error when connecting your Excel or Power BI data?
In this quick tutorial, I’ll show you why it happens — and the easiest way to fix it permanently.
Whether it’s missing files, renamed datasets, or location changes, this video walks you through how to reconnect your source the right way.
📊 Tools Used: Power Query / Power BI
🧠 Level: Beginner to Intermediate
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