Title: Fatal error or not?
Last modified: August 22, 2016

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# Fatal error or not?

 *  [klaus_hh](https://wordpress.org/support/users/klaus_hh/)
 * (@klaus_hh)
 * [11 years, 6 months ago](https://wordpress.org/support/topic/fatal-error-or-not/)
 * After installing SpamReferrer Block I got the message like “Cannot activate plugin
   because it causes a fatal error”
 * The second try was successful but on top of the plugins page I now got the message
   “
   The following plugins might cause (open graph) issues with Yoast WordPress SEO:
   Facebook”
 * Any idea?
 * Thank you
    Klaus
 * [https://wordpress.org/plugins/spamreferrerblock/](https://wordpress.org/plugins/spamreferrerblock/)

The topic ‘Fatal error or not?’ is closed to new replies.

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 * 0 replies
 * 1 participant
 * Last reply from: [klaus_hh](https://wordpress.org/support/users/klaus_hh/)
 * Last activity: [11 years, 6 months ago](https://wordpress.org/support/topic/fatal-error-or-not/)
 * Status: not resolved