No bibliography created in Word (office 365) on Win10 from X9

I would first try the steps from the following KB:

https://support.clarivate.com/Endnote/s/article/EndNote-Cannot-Edit-Range?language=en_US

If the above does not resolve the issue then please contact Technical Support directly:

1-800-336-4474 option 4 then 1

or
https://endnote.com/contact/