Error message with the GoogleSitemapAdmin

I did change the permission on the xml files to 777 but I still ge this message.

Warning: Call-time pass-by-reference has been deprecated - argument passed by value; If you would like to pass it by reference, modify the declaration of fsockopen(). If you would like to enable call-time pass-by-reference, you can set allow_call_time_pass_reference to true in your INI file. However, future versions may not support this any longer. in /home/.deeber/estrange/lareefs.com/googlesitemap.php on line 526

Warning: Call-time pass-by-reference has been deprecated - argument passed by value; If you would like to pass it by reference, modify the declaration of fsockopen(). If you would like to enable call-time pass-by-reference, you can set allow_call_time_pass_reference to true in your INI file. However, future versions may not support this any longer. in /home/.deeber/estrange/lareefs.com/googlesitemap.php on line 526
Generated Google Product Sitemap Successfully
Generated Google Category Sitemap Successfully
Generated Google Sitemap Index Successfully

any ideas?

I followed the directions and set the xml files to 777. However, I ge this error when I try to make the sitemap xml files:

Warning: Call-time pass-by-reference has been deprecated - argument passed by value; If you would like to pass it by reference, modify the declaration of fsockopen(). If you would like to enable call-time pass-by-reference, you can set allow_call_time_pass_reference to true in your INI file. However, future versions may not support this any longer. in /home/.deeber/estrange/lareefs.com/googlesitemap.php on line 526

Warning: Call-time pass-by-reference has been deprecated - argument passed by value; If you would like to pass it by reference, modify the declaration of fsockopen(). If you would like to enable call-time pass-by-reference, you can set allow_call_time_pass_reference to true in your INI file. However, future versions may not support this any longer. in /home/.deeber/estrange/lareefs.com/googlesitemap.php on line 526
Generated Google Product Sitemap Successfully
Generated Google Category Sitemap Successfully
Generated Google Sitemap Index Successfully

Any idea what this means?

Thanks.

What I found in my (such) error that I received, for googlesitemaps.php is that the solution to remove that is to delete on the respective line (526 in your case) the symbols (two in your case):
&