Uploading Google feed shows Unknown Error


We are trying to upload Google Feed, but its throiwing an “Unknown Error”


Provide an xml with a separate line for xml header
Currently feed file is a big 1-liner starting with ?xml version="1.0" encoding="utf-8"?, our code expects ?xml version="1.0" encoding="utf-8"? to be in a separate line at the beginning of the file.

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