joomlamailer.com

I installed the package, but ajax-subscribe.php is missing

I installed the package, but ajax-subscribe.php is missing

joomlamailer version: 1.7.2
Joomla! version: 1.5
PHP version: 5.2.17
MySQL version: 5.1.62-cll

My signup form doesn't work  When submitted it gets 500 error for
/modules/mod_mailchimpsignup/assets/scripts/ajax-subscribe.php"

Please help

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