After importing an existing site into the acquia environment, the theme that was developed specifically for the site is broken and not visible within the appearance theme list, and there is no default theme set.
Livedev is enabled and the theme is located in:
There are error messages on the themes list:
Notice: Undefined index: boilerplate in drupal_theme_initialize() (line 100 of /vol/ebs1/gfs/[sitename]/livedev/docroot/includes/theme.inc).
Notice: Trying to get property of non-object in _drupal_theme_initialize() (line 146 of /vol/ebs1/gfs/[sitename]/livedev/docroot/includes/theme.inc).
Note that I've simply replaced the site name with [sitename] for the sake of client privacy in this post.