SiteNotice from Google: Increase in number of HTTP errors for

[teacher86]

اريد ان اعرف سبب المشكلة وعدم تكرارها معى فى المستقبل فقد ارسل لى جوجل هذه الرسالة

Dear owner or webmaster of http://forum.teacher86.net/

While attempting to crawl your site, we have noticed an increase in the number of URLs that return a HTTP error. Here are some sample pages that return this error:

* http://forum.teacher86.net/showthread.php?tid=1021
* http://forum.teacher86.net/showthread.php?tid=672
* http://forum.teacher86.net/archive/index...d-107.html
* http://forum.teacher86.net/showthread.php?tid=1193
* http://forum.teacher86.net/printthread.php?tid=1165
* http://forum.teacher86.net/showthread.php?tid=527.html