The most likely cause is you have an old and incompatible
version of Ad Peeps.
Host are starting to upgrade to PHP 5.4 and greater.
For older versions of Ad Peeps there were features that were
depreciated.
We release updates about 4 times a year and encourage
customers to keep their software up to date for a few reasons.
1. Security fixes
2. Bug Fixes
3. New Features and Enhancements
- PHP 5.4x compatibility update - Parameter names that
shadow super globals now cause a fatal error. This prohibits
code like function foo($_GET, $_POST) {}.
To see if your software is eligible for a free upgrade visit:
http://www.adpeeps.com/generate_license.php