[Plugin: FeedWordPress] Invalid argument error on line 524

Been having this problem for a while but just happens sometimes, but it appears to be fairly random

Warning: Invalid argument supplied for foreach() in /homepages/**/wp-content/plugins/feedwordpress/magpiefromsimplepie.class.php on line 524

http://ww.wp.xz.cn/extend/plugins/feedwordpress/

[ Please do not bump, it’s not permitted here. ]