Title: PHP Warning on notification
Last modified: February 15, 2021

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# PHP Warning on notification

 *  Resolved [benjamincano](https://wordpress.org/support/users/benjamincano/)
 * (@benjamincano)
 * [5 years, 3 months ago](https://wordpress.org/support/topic/php-warning-on-notification/)
 * Hello, I get the following error when an student starts a new course, this error
   only happens when the students starts a new course and not on the other events.
   I only have sensei LMS installed on this site no other plugins active. Thanks
   for any input what might be causing this.
 *     ```
       Warning: include(): Filename cannot be empty in /nfs/c12/h06/mnt/216802/domains/training.ezbyhaworth.com/html/wp-content/plugins/sensei-lms/includes/class-sensei-emails.php on line 213
   
       Warning: include(): Failed opening '' for inclusion (include_path='.:/usr/local/php-7.3.11/share/pear') in /nfs/c12/h06/mnt/216802/domains/training.ezbyhaworth.com/html/wp-content/plugins/sensei-lms/includes/class-sensei-emails.php on line 213
       Warning: include(): Filename cannot be empty in /nfs/c12/h06/mnt/216802/domains/training.ezbyhaworth.com/html/wp-content/plugins/sensei-lms/includes/class-sensei-emails.php on line 213
   
       Warning: include(): Failed opening ” for inclusion (include_path=’.:/usr/local/php-7.3.11/share/pear’) in /nfs/c12/h06/mnt/216802/domains/training.ezbyhaworth.com/html/wp-content/plugins/sensei-lms/includes/class-sensei-emails.php on line 213
   
       Warning: include(): Filename cannot be empty in /nfs/c12/h06/mnt/216802/domains/training.ezbyhaworth.com/html/wp-content/plugins/sensei-lms/includes/class-sensei-emails.php on line 213
   
       Warning: include(): Failed opening '' for inclusion (include_path='.:/usr/local/php-7.3.11/share/pear') in /nfs/c12/h06/mnt/216802/domains/training.ezbyhaworth.com/html/wp-content/plugins/sensei-lms/includes/class-sensei-emails.php on line 213
       ```
   
 * The page I need help with: _[[log in](https://login.wordpress.org/?redirect_to=https%3A%2F%2Fwordpress.org%2Fsupport%2Ftopic%2Fphp-warning-on-notification%2F%3Foutput_format%3Dmd&locale=en_US)
   to see the link]_

Viewing 2 replies - 1 through 2 (of 2 total)

 *  [Cena (a11n)](https://wordpress.org/support/users/cena/)
 * (@cena)
 * [5 years, 2 months ago](https://wordpress.org/support/topic/php-warning-on-notification/#post-14228827)
 * Hi [@benjamincano](https://wordpress.org/support/users/benjamincano/) ,
 * My apologies for the delay in responding!
 * If you’re still experiencing this issue, what version of Sensei are you using?
   Please make sure you’re using the most recent version (3.8.1.3.2.2) and any other
   themes or plugins are also up to date.
 * Have you tried switching to a default theme like TwentyTwenty?
 * Best,
    Cena
 *  Thread Starter [benjamincano](https://wordpress.org/support/users/benjamincano/)
 * (@benjamincano)
 * [5 years, 2 months ago](https://wordpress.org/support/topic/php-warning-on-notification/#post-14235390)
 * Hey Cena, I tried on several fresh installs and even tried an older version but
   no lock, there was an issue apparently and its fixed on ver 3.9, thanks.
 * [https://github.com/Automattic/sensei/pull/4089](https://github.com/Automattic/sensei/pull/4089)

Viewing 2 replies - 1 through 2 (of 2 total)

The topic ‘PHP Warning on notification’ is closed to new replies.

 * ![](https://ps.w.org/sensei-lms/assets/icon-128x128.gif?rev=2914239)
 * [Sensei LMS - Online Courses, Quizzes, & Learning](https://wordpress.org/plugins/sensei-lms/)
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 * 2 replies
 * 2 participants
 * Last reply from: [benjamincano](https://wordpress.org/support/users/benjamincano/)
 * Last activity: [5 years, 2 months ago](https://wordpress.org/support/topic/php-warning-on-notification/#post-14235390)
 * Status: resolved