Hi @mprikolota - thanks for the feedback. The way the Download macro works is that it grabs "download URL" from the Microsoft 365 data properties about the file, and then simply GETs that URL using PROC HTTP. The URL (provided by the system) has a number of URL parameters that are set off with & characters, and the ampersand character has a special meaning in SAS for macro variables.
So the warning is innocuous in this case -- it's just SAS trying to resolve these "macro variables". I did play with trying to escape or use %nrstr() to prevent SAS from processing these, but didn't get it working the way it should. It does not affect how it works but it does clutter the log.
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