Tableau - Connecting Data with Downloaded Excel File (Tesla Sales Data)

Hello, In Tableau, I tried to connect data to the Tesla Sales Data excel file I had downloaded from the course but received a red exclamation mark with a note "There was a problem connecting to the data source Tesla sales data.  Try editing the data source."  Can you help with this?  I did not experience any problems connecting with the other excels I had downloaded: GDP Data and Types-of-Joins