Title: Undefined Function tribe_is_month() error
Last modified: May 17, 2022

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# Undefined Function tribe_is_month() error

 *  Resolved [debcat24](https://wordpress.org/support/users/debcat24/)
 * (@debcat24)
 * [4 years ago](https://wordpress.org/support/topic/undefined-function-tribe_is_month-error/)
 * Fatal error: Uncaught Error: Call to undefined function tribe_is_month() in /
   var/app/current/wp-content/plugins/wordpress-seo/src/generators/schema/third-
   party/events-calendar-schema.php:42 Stack trace: #0 /var/app/current/wp-content/
   plugins/wordpress-seo/src/generators/schema-generator.php(106):

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

 *  Plugin Support [WilloftheD](https://wordpress.org/support/users/abzlevelup/)
 * (@abzlevelup)
 * [4 years ago](https://wordpress.org/support/topic/undefined-function-tribe_is_month-error/#post-15655611)
 * Hello [@debcat24](https://wordpress.org/support/users/debcat24/),
 * Thanks for reaching out to us, sorry to hear that you are having this issue here.
 * I would need more information here, could you provide me the direct URL to your
   website, so I could investigate more?
 * I also suspect that it is something to do with caching or object caching, which
   causes the page not loading properly. If so, could you clear cache and see if
   that makes a difference?
 * Next, I’m curious if you did some customization on your end. It would be good
   if you could also test for conflicts. Please follow this article here: [https://theeventscalendar.com/knowledgebase/testing-for-conflicts/](https://theeventscalendar.com/knowledgebase/testing-for-conflicts/).
 * Let me know how it goes.
 * Best,
    Abz
 *  Plugin Support [WilloftheD](https://wordpress.org/support/users/abzlevelup/)
 * (@abzlevelup)
 * [4 years ago](https://wordpress.org/support/topic/undefined-function-tribe_is_month-error/#post-15697943)
 * Hey [@debcat24](https://wordpress.org/support/users/debcat24/), this thread has
   been inactive for a while, so we’re going to go ahead and mark it Resolved. Please
   feel free to open a new thread if any other questions come up, and we’d be happy
   to help.
 * Cheers,
    Abz

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

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## Tags

 * [caching](https://wordpress.org/support/topic-tag/caching/)
 * [not working](https://wordpress.org/support/topic-tag/not-working/)
 * [redis](https://wordpress.org/support/topic-tag/redis/)

 * 2 replies
 * 2 participants
 * Last reply from: [WilloftheD](https://wordpress.org/support/users/abzlevelup/)
 * Last activity: [4 years ago](https://wordpress.org/support/topic/undefined-function-tribe_is_month-error/#post-15697943)
 * Status: resolved