readtable error "Sheet name does not exist or is not supported"

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JFz on 12 Jul 2018
Commented: honggildong on 30 Jun 2021
I use readtable all the time but never had this error until today: "Sheet name does not exist or is not supported, To check if the sheet is supported, specify the sheet by its worksheet index." Here is the way I am using it:
a = readtable(filename, 'sheet', sheetname);
If I just do a = readtable(filename), there is no error and the output a is a table with the first sheet. If I use an index, it works as well:
a = readtable(filename, 'sheet', 1);
But I need to use sheetname in this case.
What is wrong here?
Thanks for any help!
Meg Glade
Meg Glade on 12 Jul 2018
Do you mind sharing the exact call you are making to readtable (with filename and sheetname filled in)?

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Accepted Answer

JFz on 12 Jul 2018
Thanks for the help. I just fixed it! Some the date format in the sheet is not readable in Matlab. I changed the Date format in the Excel file and now it is working.
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honggildong on 30 Jun 2021
I have the exact same issue. Could you maybe explain your solution further?

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