sitemap deindexed

Hey i have a site and its sitmap is not indexing i use yoast plugin and my robot txt file is also right can anyone tell me how to fix my sitemap issue plzz!

I have submitted a Sitemap of my website but this is not fetching my URL properly. This error show on the Google Webmaster Sitemap. I am not understanding how to fix it.

Please look at this screen from my google webmaster console Btw: Sorry, but I have no idea how to switch GWC to English I have no idea why 4 pages are Excluded... They are Crawled but Not currently indexed which doesn't sound as bad as being excluded... Which worries me. one of the pages...

Hello Mates.. i am running a Multi niche Website (howpk[dot]com). I am using Google XML plugin (wordpress[dot]org/plugins/google-xml-sitemap/) it is working fine but today i have notices in GWT (google Console) that total page submitted are 670 and indexed are 340. i don't know why it shows me...