Title: TypeError: a.mask is undefined
Last modified: August 21, 2016

---

# TypeError: a.mask is undefined

 *  Resolved [anbur91](https://wordpress.org/support/users/anbur91/)
 * (@anbur91)
 * [12 years, 1 month ago](https://wordpress.org/support/topic/typeerror-amask-is-undefined/)
 * Hi, I have used the GUI form in my website. I am trying to the view the page 
   where i have put the form. Only loading gif image is displayed.
    There I am getting
   the error TypeError: a.mask is undefined a.mask.definitions[“#”] = “[0-9]”;
 * Kindly anyone suggest me how to resolve the problem.
 * [https://wordpress.org/plugins/guiform/](https://wordpress.org/plugins/guiform/)

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

 *  Thread Starter [anbur91](https://wordpress.org/support/users/anbur91/)
 * (@anbur91)
 * [12 years, 1 month ago](https://wordpress.org/support/topic/typeerror-amask-is-undefined/#post-4749131)
 * This is the url of my website
 * [http://careforchildren.org.in/demo/enquiry/](http://careforchildren.org.in/demo/enquiry/)
 *  Plugin Author [russellpabon](https://wordpress.org/support/users/russellpabon/)
 * (@russellpabon)
 * [12 years, 1 month ago](https://wordpress.org/support/topic/typeerror-amask-is-undefined/#post-4749330)
 * Please upgrade your plugin to version 1.5.8

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

The topic ‘TypeError: a.mask is undefined’ is closed to new replies.

 * ![](https://s.w.org/plugins/geopattern-icon/guiform.svg)
 * [GuiForm](https://wordpress.org/plugins/guiform/)
 * [Frequently Asked Questions](https://wordpress.org/plugins/guiform/#faq)
 * [Support Threads](https://wordpress.org/support/plugin/guiform/)
 * [Active Topics](https://wordpress.org/support/plugin/guiform/active/)
 * [Unresolved Topics](https://wordpress.org/support/plugin/guiform/unresolved/)
 * [Reviews](https://wordpress.org/support/plugin/guiform/reviews/)

 * 2 replies
 * 2 participants
 * Last reply from: [russellpabon](https://wordpress.org/support/users/russellpabon/)
 * Last activity: [12 years, 1 month ago](https://wordpress.org/support/topic/typeerror-amask-is-undefined/#post-4749330)
 * Status: resolved