PHP warning magic method set() class.XMLHttpRequest.php

[ikus]

i have a php script that runs perfectlybut i get 2 errors:\[code\] Warning: The magic method __set() must have public visibility and cannot be static in C:\wamp\www\class.XMLHttpRequest.php on line 63 Warning: The magic method __get() must have public visibility and cannot be static in C:\wamp\www\class.XMLHttpRequest.php on line 89\[/code\]is this important? can i make it dissapear? or fix ?thanks in advance!