A family of Microsoft spreadsheet software with tools for analyzing, charting, and communicating data.
Hello RJS123567,
Welcome to the Microsoft community and enjoy the time you've spent sharing detailed information. I understand that the problem is when creating a data table in an Excel file and use that data table for the index/match function, getting a NA# or a #spill! error. If my understanding is wrong, please correct me in the answer. I am pleased to offer you assistance on this issue.
We fully understand the inconvenience caused by the problem and that the current situation can be frustrating.
Are you encountering errors using datatables and index/match functions only for this particular document? Or are other docs getting the same error?
It is recommended that you reopen this document in safe mode to see if the problem persists. maybe some add-ons are causing the problem. You can click here to learn how to enter Safe Mode.
Please share the screenshot of the error message with us so that we can troubleshoot further. Please be careful to hide your personal information when uploading the screenshot.
From the description you mentioned that you want to upload the document, then you can send us the question document by clicking here.
We need to go through a series of steps to find the true cause of the problem. If the steps above don't solve your problem, let me know and I will continue to help you with the problem.
Sincere greetings
Mavis - MSFT | Microsoft Community Support Specialist
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