Getting following web services error after activating the Rewards Plugin

You have a hacked version of the plugin! Check your plugin or delete.

strrev is is php function for reversing a string, it is commonly used in hacking schemes.

http://php.net/manual/en/function.strrev.php

Hata!: SQLSTATE[HY000] [1045] Access denied for user 'divattrend_liink'@'localhost' (using password: YES)