Title: Javascript error : Uncaught TypeError: window.intlTelInput is undefined
Last modified: February 4, 2025

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# Javascript error : Uncaught TypeError: window.intlTelInput is undefined

 *  Resolved [benmoon](https://wordpress.org/support/users/benmoon/)
 * (@benmoon)
 * [1 year, 3 months ago](https://wordpress.org/support/topic/javascript-error-uncaught-typeerror-window-intltelinput-is-undefined/)
 * I encounter a problem with input block usage into a Formello form.
   When I click
   on Submit button, a Javascript error appear on the screen : : Uncaught TypeError:
   window.intlTelInput is undefined. this problem appaer when an input field is 
   mandatory (when is not, there is no problem).Please find a short video demonstrate
   the problem in live : [https://e.pcloud.link/publink/show?code=XZL4PKZ8r1eOyxe7N7A3SSmJdbKNLAtKpkX](https://e.pcloud.link/publink/show?code=XZL4PKZ8r1eOyxe7N7A3SSmJdbKNLAtKpkX)
   Thanks in advance for your help.

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

 *  Plugin Author [tropicalista](https://wordpress.org/support/users/tropicalista/)
 * (@tropicalista)
 * [1 year, 3 months ago](https://wordpress.org/support/topic/javascript-error-uncaught-typeerror-window-intltelinput-is-undefined/#post-18283867)
 * Hi,
 * thanks for the detailed bug report. Can you please try to update and see if it’s
   fixed?
 *  Thread Starter [benmoon](https://wordpress.org/support/users/benmoon/)
 * (@benmoon)
 * [1 year, 3 months ago](https://wordpress.org/support/topic/javascript-error-uncaught-typeerror-window-intltelinput-is-undefined/#post-18283988)
 * Works well after update with 2.6.3 version.
 * Thanks a lot.

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

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 * 3 replies
 * 2 participants
 * Last reply from: [benmoon](https://wordpress.org/support/users/benmoon/)
 * Last activity: [1 year, 3 months ago](https://wordpress.org/support/topic/javascript-error-uncaught-typeerror-window-intltelinput-is-undefined/#post-18283988)
 * Status: resolved