404 Error on create file action

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Posted on by rbn_nue

Hi Folks,

I'm using power automate to add some files to a document library. I use create file action to do the same. Although, if I use any special characters in my file name it throws 404 error:

I can directly upload the same file (with special char in name) to SPO doc library and it does not cause any issue. If I remove special characters from the name, create file action works as expected. Why does it work in SPO and not in Power Automate?

I was able to fix this error after enclosing the file content in Base64 function (reference: https://powerusers.microsoft.com/t5/General-Power-Automate/Action-Create-file-failed-File-Not-Found-error-404/td-p/738568). I have no idea how it worked though.

Can someone shed some light on this scenario? I would like to why this happened and how a Base64 function fixed the issue.

Thank you.

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