I want to include a file to my custom module observer.
I added my file folder to lib folder.
In my observer i called like below
require_once 'MailchimpAPI/MCAPI.class.php';//this is workig fine //I want to call another file require_once 'Mailerlite/vendor/autoload.php';//this is not working
both folders are in same path
Can any one tell me what is wrong here.I want to implement Mailerlite to my magento registration.