datasmith file type not showing when exporting from SketchUP 19

Hello as a very new user of the Forum I am slow to reply and read. I did install the plugin but someone else told me it is not working with SKU19.
I have a very difficult time to find the right place and mode to upload new questions.
I keep getting this reply and can’t seem to find the right place for a beginner to ask more questions.
I explained my new question about greyed out “rename or F2” and added screen shots
and when I get at the end of creating my new topic I get the message as per screen shot.
Thank you for your reply and sorry for the slow follow up.
I have been trying to circumvent my problems alone