An Email Editor is used to create an Email Template. The document cannot be modified after it is checked-out or checked-in using the Email Editor.
Check-in and check-out should not be used. This is because the Email Editor produces a file (Email Editor Rendition) that cannot be utilized during the check-in process.
Do the following:
- Delete the current version.
- Use Edit Email which versions the document and puts it back into Draft.