create news letter leads to cheatin message #enewsletter

This post is about enewsletter plugin.
On userlevel = author,
create news letter first leads to customize page in seconds it autosaves default template and leads to cheatin message. While trying to edit, samething repeats. New templates are generated but can't even tweak a single thing in it.

While as admin, everything is possible

N.B: user permissions are set to author in settings.
Site is not multisite.

Its urgent