Writing to File in log directory from custom library

[eluser]NotoriousWebmaster[/eluser]
Update: Let's hold off on this. I took out references to Aalog, and still got the error. So it's outside of my code... News at 11.

Thanks bubbafoley, it may very well be; but I can't even get to my library. Here's the code I have in the controller:

Code:

$this->load->library('aalog', array('logName' => 'ccsr.log'));

And here's the error I get:

Fatal error: Class 'CI_Log' not found in C:\_sites\ccsr\system\codeigniter\Common.php on line 148

I have a file called Aalog.php in system\application\libraries. (This is also a source of concern for me: isn't application supposed to be outside of system; a sibling in fact?)

Thanks again for your help. (Looking forward to shedding my Summer Student status. )