emails in Draft

Wilbur Wright

New Email
I send a weekly report to an associate. This contains a number of attachments and, as I develop these as the week processes, I put the email into 'Drafts' and add attachments via 'Edit' as they become available. At least that is the intention, but of late I get a message 'Email could not be saved', (or words to that effect), when I try to save the amended email. Is this a known problem and is there a solution?

Bill in Oz.