[Plugin: WordPress SEO by Yoast] Seo by Yoast Plugin compatible with Wp 3.4???

I’ve updated my wordpress yesterday and since then i am facing problems with my Seo by Yoast plugin.

1- Yoast WordPress SEO: Titles & Metas panel is not working for me. I can’t find any settings over here.

2- Sitemaps are not working for me. post_tag-sitemap.xml is working fine but post_sitemap.xml is showing error which is as below.

The XML page cannot be displayed
Cannot view XML input using XSL style sheet. Please correct the error and then click the Refresh button, or try again later.

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A semi colon character was expected. Error processing resource ‘http://style.pk/post-sitemap1.xml’. Line 1, Position 3668

<image:image> <image:loc>http://style.pk/wp-content/uploads/2011/02/Spring-Collection-2011-for-Women-199×300.jpg&#8230;

So now my 3 inner sitemaps of posts are not working and google webmasters tools have de-indexed all my pictures and posts. How to fix this error?

Is Seo by Yoast plugin is working fine with wordpress 3.4 ??

I am using Version 1.2.2 of Yoast and wordpress 3.4.

My sitemaps url is http://style.pk/sitemap_index.xml and 3 out of 5 sitemaps are not working.

Please help me solving this problem.

Thanks

http://wordpress.org/extend/plugins/wordpress-seo/