E-mailing a photo

[#1]

When I click "send" I receive the error message, "An internal error has occurred: ?:0: attempt to index field 'font' (a nil value)". How does one resolve the error?

Thanks,

[#2]

When I click "send" I receive the error message, "An internal error has occurred: ?:0: attempt to index field 'font' (a nil value)". How does one resolve the error?

Thanks,

[#3]

Google is your friend.

https://www.google.com/search?q=An+internal+error+has+occurred%3A+%3F%3A0%3A+attempt+to+index+field+...

[#4]

I went to the link you posted and found nothing but other people having the same problem.  Where can I find a solution?

[#5]

Known problem, heavily reported on as such. Both in this community page, and the official Adobe feedback site.

https://feedback.photoshop.com/conversations/lightroom-classic/lightroom-classic-10-external-error-h... 

Now included in:

https://helpx.adobe.com/lightroom-classic/kb/known-issues.html