I have installed Classifieds plugin and get this error.

Hi
I have installed Classifieds plugin and get this error. Its the only plugin I have installed on WP 3.1.0.

HELP!

Deprecated: Assigning the return value of new by reference is deprecated in C:\testserver\websiteDevelopment\testPress\httpdocs\wp-includes\class-simplepie.php on line 738

Deprecated: Assigning the return value of new by reference is deprecated in C:\testserver\websiteDevelopment\testPress\httpdocs\wp-includes\class-simplepie.php on line 1108

Deprecated: Assigning the return value of new by reference is deprecated in C:\testserver\websiteDevelopment\testPress\httpdocs\wp-includes\class-simplepie.php on line 1602

Deprecated: Assigning the return value of new by reference is deprecated in C:\testserver\websiteDevelopment\testPress\httpdocs\wp-includes\class-simplepie.php on line 1643

Deprecated: Assigning the return value of new by reference is deprecated in C:\testserver\websiteDevelopment\testPress\httpdocs\wp-includes\class-simplepie.php on line 1663

Deprecated: Assigning the return value of new by reference is deprecated in C:\testserver\websiteDevelopment\testPress\httpdocs\wp-includes\class-simplepie.php on line 1693