No match found for function signature external_query(<CHARACTER>)

[desi]

I am getting this error for external_query on Oracle source. Dremio community version: 4.5.0-202006180205030236-1a5d28da

[steven]

External query was added in version 4.7.3:

https://docs.dremio.com/release-notes/47-release-notes.html#external-queries