New Error after moving site

Hi,

I just moved my site over to a new server and now I’m getting the following error at the top of those pages that use imgsizer. All my image directories are set to 777. Any idea what’s going on?

Thanks

Warning: imagejpeg() [function.imagejpeg]: Unable to open ‘/xxx/xxx/public_html/uploads/images/inventory/cache/Picture2-0x180.jpg’ for writing: Permission denied in /xxx/xxx/public_html/stylesys/plugins/pi.imgsizer.php on line 608