"Unsupported input" error when trying to save a base64 audio in Xano

Hello, I am trying to save a base64 audio file in Xano and get a URL for it.

However I'm encountering "unsupported input" error:



I have tried using create audio, create video, image and attachment, all with the same error.

I am attaching the base64 string below (its a very long string obviously), I converted it to audio using an online decoder to prove the string is not corrupted:



I tried to attach the base 64 string here but coudln't because of the max character limits.

Any help would be appreciated.

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