Title: RSS Feed Not Validating
Last modified: August 19, 2016

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# RSS Feed Not Validating

 *  Resolved [AdaoSol](https://wordpress.org/support/users/adaosol/)
 * (@adaosol)
 * [15 years, 7 months ago](https://wordpress.org/support/topic/rss-feed-not-validating-5/)
 * Hi,
 * I hope someone can help me out: The RSS feed for my blog ([http://blog.mehrfrauenkennenlernen.com/feed/](http://blog.mehrfrauenkennenlernen.com/feed/))
   is not working. My oldest post is showing in Google reader. The ones after that
   are not.
 * Here is the error message from feedvalidator.org:
 * Sorry This feed does not validate.
    * line 1, column 1: XML parsing error: <unknown
   >:1:1: not well-formed (invalid token) [help]
 *  <?xml version=”1.0″ encoding=”UTF-8″?><rss version=”2.0″
    ^
 * On [http://feedvalidator.org/docs/error/SAXError.html](http://feedvalidator.org/docs/error/SAXError.html),
   there is an explanation of the error message that I don’t understand.
 * I also found a discussion about this error message [here.](http://www.phpbb.com/community/viewtopic.php?f=69&t=1214645&start=735)
 * Could someone tell me what to do to solve this problem?
 * Thanks a bunch in advance. I’m really frustrated and clueless at the moment.
 * Tom

Viewing 4 replies - 1 through 4 (of 4 total)

 *  [esmi](https://wordpress.org/support/users/esmi/)
 * (@esmi)
 * [15 years, 7 months ago](https://wordpress.org/support/topic/rss-feed-not-validating-5/#post-1712808)
 * Have you tried:
 * – deactivating **all** plugins to see if this resolves the problem? If this works,
   re-activate the plugins one by one until you find the problematic plugin(s).
 * – switching to the default theme to rule out any theme-specific problems?
 *  Thread Starter [AdaoSol](https://wordpress.org/support/users/adaosol/)
 * (@adaosol)
 * [15 years, 7 months ago](https://wordpress.org/support/topic/rss-feed-not-validating-5/#post-1712940)
 * Thank you, Esmi!
 * I deactivated all plugins: same error message.
    I switched the theme (from Thesis
   to default): no error message. I activated all plugins while using the default
   theme: still no error message. I switched back to Thesis: back to the same old
   problem…
 * Has any Thesis user had the same problem?
 * Cheers,
    Tom
 *  Moderator [James Huff](https://wordpress.org/support/users/macmanx/)
 * (@macmanx)
 * [15 years, 7 months ago](https://wordpress.org/support/topic/rss-feed-not-validating-5/#post-1712943)
 * Please contact the theme vendor for support. Support should be included with 
   the purchase, and they probably know the theme better than most of us.
 *  Thread Starter [AdaoSol](https://wordpress.org/support/users/adaosol/)
 * (@adaosol)
 * [15 years, 7 months ago](https://wordpress.org/support/topic/rss-feed-not-validating-5/#post-1712944)
 * OK, I found out what’s wrong!!
 * I’ve tried a couple of things to isolate the problem:
    -Deactivated all plugins
   => same error message -Switched from Thesis to the default theme => no error 
   message! -Reactivated all plugins while using the default theme => still no error
   message -Switched back to Thesis => old error message back again => something
   in Thesis causes the problem
 * I then made a backup of the custom.css and custom_functions.php files. Next, 
   I deleted the entire code in both files (in the custom file editor). => error
   message gone!!
 * I experimented with the code of both files (deleting parts of it here and there
   to find out what caused the problem) and figured out that there was something
   in custom_functions.php file. In the first line, there it was: “?<?php”. Deleted
   the first question mark and everything is running smoothly now. Don’t know if
   the first question mark was there from the beginning or if it somehow slipped
   in there, but that was the little bug that caused the mess…
 * Thanks for your support,
    Tom

Viewing 4 replies - 1 through 4 (of 4 total)

The topic ‘RSS Feed Not Validating’ is closed to new replies.

## Tags

 * [rss-feed](https://wordpress.org/support/topic-tag/rss-feed/)

 * In: [Fixing WordPress](https://wordpress.org/support/forum/how-to-and-troubleshooting/)
 * 4 replies
 * 3 participants
 * Last reply from: [AdaoSol](https://wordpress.org/support/users/adaosol/)
 * Last activity: [15 years, 7 months ago](https://wordpress.org/support/topic/rss-feed-not-validating-5/#post-1712944)
 * Status: resolved

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