Having issues uploading my excel survey sheet needed for trial

Hello,

my name is Michael, i need help. using this for this first time, uploading excel survey sheet (.xls) to the xlsform online. it says Error: The survey sheet is either empty or missing important column headers.

i know this has been asked before but i have followed all steps still not work.

Yes i am using a MAC.
odk resource.xlsx (9.9 KB)

Hi @Meekel
Welcome to the ODK forum. We're glad you're here. When you get a chance, please introduce yourself on this forum thread. I'd also encourage you to add a picture as your avatar because it helps build community!

Your sheet name should be survey (lowercase) not Survey.