My b2evolution Version: Not Entered

hello,

i was running 2.4.0 and all of a sudden could not create new folders. i upgraded to 2.4.2 and the problem is still there.

here is the error i get:

Notice: Undefined variable: fm_Filelist in /home/jenni/public_html/inc/files/files.ctrl.php on line 325

Warning: Cannot modify header information - headers already sent by (output started at /home/jenni/public_html/inc/files/files.ctrl.php:325) in /home/jenni/public_html/inc/_core/_template.funcs.php on line 133

Warning: Cannot modify header information - headers already sent by (output started at /home/jenni/public_html/inc/files/files.ctrl.php:325) in /home/jenni/public_html/inc/_core/_template.funcs.php on line 136

can anyone help me with my problem?

thanks,

will