Title: Erroor – Not a function
Last modified: July 4, 2026

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# Erroor – Not a function

 *  Resolved [gafferCanberra](https://wordpress.org/support/users/gaffercanberra/)
 * (@gaffercanberra)
 * [1 day, 13 hours ago](https://wordpress.org/support/topic/erroor-not-a-function/)
 * I am using V4.4.2. I receive the following when trying to access any of the templates:
 *     ```wp-block-code
       TypeError: a.filter is not a functionat https://actrvra.org.au/wp-content/plugins/yaymail/assets/dist/yaymail/yaymail-main.tsx-60ea0a5f.js?ver=4.4.2:3:201009 at Object.useMemo (https://actrvra.org.au/wp-includes/js/dist/vendor/react-dom.min.js?ver=18.3.1.1:239:487) at c.useMemo (https://actrvra.org.au/wp-includes/js/dist/vendor/react.min.js?ver=18.3.1.1:29:377) at $V (https://actrvra.org.au/wp-content/plugins/yaymail/assets/dist/yaymail/yaymail-main.tsx-60ea0a5f.js?ver=4.4.2:3:200968) at mf (https://actrvra.org.au/wp-includes/js/dist/vendor/react-dom.min.js?ver=18.3.1.1:105:412) at Qk (https://actrvra.org.au/wp-includes/js/dist/vendor/react-dom.min.js?ver=18.3.1.1:250:214) at Ri (https://actrvra.org.au/wp-includes/js/dist/vendor/react-dom.min.js?ver=18.3.1.1:195:185) at Ok (https://actrvra.org.au/wp-includes/js/dist/vendor/react-dom.min.js?ver=18.3.1.1:195:116) at Nd (https://actrvra.org.au/wp-includes/js/dist/vendor/react-dom.min.js?ver=18.3.1.1:194:492) at Qf (https://actrvra.org.au/wp-includes/js/dist/vendor/react-dom.min.js?ver=18.3.1.1:187:439) at Li (https://actrvra.org.au/wp-includes/js/dist/vendor/react-dom.min.js?ver=18.3.1.1:189:234) at db (https://actrvra.org.au/wp-includes/js/dist/vendor/react-dom.min.js?ver=18.3.1.1:79:182) at https://actrvra.org.au/wp-includes/js/dist/vendor/react-dom.min.js?ver=18.3.1.1:184:289`
       ```
   
 * The page I need help with: _[[log in](https://login.wordpress.org/?redirect_to=https%3A%2F%2Fwordpress.org%2Fsupport%2Ftopic%2Ferroor-not-a-function%2F%3Foutput_format%3Dmd&locale=en_US)
   to see the link]_

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

 *  Plugin Support [mialewp](https://wordpress.org/support/users/mialewp/)
 * (@mialewp)
 * [1 day, 12 hours ago](https://wordpress.org/support/topic/erroor-not-a-function/#post-18955702)
 * Hello [@gaffercanberra](https://wordpress.org/support/users/gaffercanberra/),
   
   Thanks for contacting us.It is working fine on our end therefore we are not able
   to debug. Please reach out to our technical support team via [https://yaycommerce.com/support/](https://yaycommerce.com/support/),
   our dev will help you check the issue right away.Looking forward to hearing from
   you.Many thanks!Mia
 *  Plugin Support [mialewp](https://wordpress.org/support/users/mialewp/)
 * (@mialewp)
 * [1 day, 11 hours ago](https://wordpress.org/support/topic/erroor-not-a-function/#post-18955707)
 * Hi again,
   By the way, please install this updated version where we reduced the
   max value as much as possible.If it still doesn’t work, please contact our team
   so we can debug further.[https://drive.google.com/file/d/1KT6uUAqb3WyJqRAz9I3TFVfIbh91J76Z/view?usp=sharing](https://drive.google.com/file/d/1KT6uUAqb3WyJqRAz9I3TFVfIbh91J76Z/view?usp=sharing)
 *  Plugin Support [mialewp](https://wordpress.org/support/users/mialewp/)
 * (@mialewp)
 * [1 day, 10 hours ago](https://wordpress.org/support/topic/erroor-not-a-function/#post-18955724)
 * Hi [@gaffercanberra](https://wordpress.org/support/users/gaffercanberra/),
   We
   would like to close this topic as you have confirmed it fixed the issue via email.
   Thank you so much for the report and efforts, please do not hesitate to contact
   us if you need any further help.If it’s possible, please leave YayMail a review
   here:
 * [https://wordpress.org/plugins/yaymail/#reviews](https://wordpress.org/plugins/yaymail/#reviews)
 * Your review will motivate us to develop more plugins and have awesome users like
   you.​ 😉 
 * Kind regards.
   Mia

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

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## Tags

 * [filter](https://wordpress.org/support/topic-tag/filter/)
 * [function](https://wordpress.org/support/topic-tag/function/)
 * [template](https://wordpress.org/support/topic-tag/template/)

 * 3 replies
 * 2 participants
 * Last reply from: [mialewp](https://wordpress.org/support/users/mialewp/)
 * Last activity: [1 day, 10 hours ago](https://wordpress.org/support/topic/erroor-not-a-function/#post-18955724)
 * Status: resolved