How to use File/Send/E-mail as pdf with a Base form?

File/Send/E-mail document works but option to add a form as an e-mail attachment throws an error.

I see the same result. It is probably a bug. Do a search at Bugzilla and if there is not one reported already, you should submit a Bug report.

If this answers your question please click on the :heavy_check_mark: (upper left area of answer).

hello,
I want to prepare pdf form to send it by email. How can I do?

Please ask as a question and not as an answer. Although the OP was about email, the questions are different. Also, do not post as wiki and provide more information.