Title: Multi errors after activating plugin
Last modified: June 14, 2017

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# Multi errors after activating plugin

 *  Resolved [ymca](https://wordpress.org/support/users/ymca/)
 * (@ymca)
 * [8 years, 11 months ago](https://wordpress.org/support/topic/multi-errors-after-activating-plugin/)
 * Hi,
 * Nice plugin, but I get these errors:
 * Warning: get_class() expects parameter 1 to be object, boolean given in /wp-content/
   plugins/wordfence/lib/wordfenceClass.php on line 1955
 * Warning: Cannot modify header information – headers already sent by (output started
   at /wp-content/plugins/wordfence/lib/wordfenceClass.php:1955) in /wp-includes/
   pluggable.php on line 931
 * Warning: Cannot modify header information – headers already sent by (output started
   at /wp-content/plugins/wordfence/lib/wordfenceClass.php:1955) in /wp-includes/
   pluggable.php on line 932
 * Warning: Cannot modify header information – headers already sent by (output started
   at /wp-content/plugins/wordfence/lib/wordfenceClass.php:1955) in /wp-includes/
   pluggable.php on line 933
 * Warning: Cannot modify header information – headers already sent by (output started
   at /wp-content/plugins/wordfence/lib/wordfenceClass.php:1955) in /wp-includes/
   pluggable.php on line 934
 * Warning: Cannot modify header information – headers already sent by (output started
   at /wp-content/plugins/wordfence/lib/wordfenceClass.php:1955) in /wp-includes/
   pluggable.php on line 935
 * Warning: Cannot modify header information – headers already sent by (output started
   at /wp-content/plugins/wordfence/lib/wordfenceClass.php:1955) in /wp-includes/
   pluggable.php on line 936
 * Warning: Cannot modify header information – headers already sent by (output started
   at /wp-content/plugins/wordfence/lib/wordfenceClass.php:1955) in /wp-includes/
   pluggable.php on line 939
 * Warning: Cannot modify header information – headers already sent by (output started
   at /wp-content/plugins/wordfence/lib/wordfenceClass.php:1955) in /wp-includes/
   pluggable.php on line 940
 * Warning: Cannot modify header information – headers already sent by (output started
   at /wp-content/plugins/wordfence/lib/wordfenceClass.php:1955) in /wp-includes/
   pluggable.php on line 941
 * Warning: Cannot modify header information – headers already sent by (output started
   at /wp-content/plugins/wordfence/lib/wordfenceClass.php:1955) in /wp-includes/
   pluggable.php on line 942
 * Warning: Cannot modify header information – headers already sent by (output started
   at /wp-content/plugins/wordfence/lib/wordfenceClass.php:1955) in /wp-includes/
   pluggable.php on line 945
 * Warning: Cannot modify header information – headers already sent by (output started
   at /wp-content/plugins/wordfence/lib/wordfenceClass.php:1955) in /wp-includes/
   pluggable.php on line 946
 * Warning: Cannot modify header information – headers already sent by (output started
   at /wp-content/plugins/wordfence/lib/wordfenceClass.php:1955) in /wp-includes/
   pluggable.php on line 947
 * Warning: Cannot modify header information – headers already sent by (output started
   at /wp-content/plugins/wordfence/lib/wordfenceClass.php:1955) in /wp-includes/
   pluggable.php on line 948

Viewing 3 replies - 1 through 3 (of 3 total)

 *  Plugin Author [solwininfotech](https://wordpress.org/support/users/solwininfotech/)
 * (@solwininfotech)
 * [8 years, 9 months ago](https://wordpress.org/support/topic/multi-errors-after-activating-plugin/#post-9407111)
 * Hi [@ymca](https://wordpress.org/support/users/ymca/),
 * I read your query and noticed that all your warning messages coming from another
   plugin. Please contact to “wordfence” community for this issue.
 *  Thread Starter [ymca](https://wordpress.org/support/users/ymca/)
 * (@ymca)
 * [8 years, 9 months ago](https://wordpress.org/support/topic/multi-errors-after-activating-plugin/#post-9423742)
 * Hi [@solwininfotech](https://wordpress.org/support/users/solwininfotech/),
 * Now I have another error that I have wrote here:
 * [https://wordpress.org/support/topic/getting-a-warning-when-trying-to-log/#post-9421375](https://wordpress.org/support/topic/getting-a-warning-when-trying-to-log/#post-9421375)
 * Is there a way of fixing it?
 *  [Tad](https://wordpress.org/support/users/tatifox/)
 * (@tatifox)
 * [8 years, 5 months ago](https://wordpress.org/support/topic/multi-errors-after-activating-plugin/#post-9728340)
 * Hello,
 * For SiteGround users, you can solve this issue just by removing all the files
   inside .opcache folder located in main home folder. (no worries about does files,.
   opcache will recreate a fresh copy)

Viewing 3 replies - 1 through 3 (of 3 total)

The topic ‘Multi errors after activating plugin’ is closed to new replies.

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 * 3 replies
 * 3 participants
 * Last reply from: [Tad](https://wordpress.org/support/users/tatifox/)
 * Last activity: [8 years, 5 months ago](https://wordpress.org/support/topic/multi-errors-after-activating-plugin/#post-9728340)
 * Status: resolved