Forum Any one else reciving this error in the sitemaps

[محروم.كوم]

I have been receiving this new error. Any of these ’ ` ® , - £ in a thread title also causes this error, An invalid character was found in text content.

I can not figure out what is causing it I haven't made no changes.
I am running vBulletin 4.0.6 Patch Level 1

I am not upgrading till maybe 4.0.8 so do not tell me to upgrade to the latest version.

Here is the start of my xml sitemap:
Code:

-
So any ideas? __DEFINE_LIKE_SHARE__