Question: Maple sheet not importing Excel file

I want to perform curvefitting on my data but Maple is not importing the data from the Excel file. Below is the command I used.

restart: with(ExcelTools): Q := Import("Curvefitting", "QReport", "C4:M6");
Error, (in ExcelTools:-Import) Could not open the file.

restart: with(ExcelTools):
Q := Import("Curvefitting.xlsx", "QReport", "C4:M6");
Error, (in ExcelTools:-Import) Could not open the file.
 
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