Title: ReferenceError: wpData is not defined at String. Last modified: September 21, 2024 --- # ReferenceError: wpData is not defined at String. * Resolved [roadlink](https://wordpress.org/support/users/roadlink/) * (@roadlink) * [1 year, 8 months ago](https://wordpress.org/support/topic/referenceerror-wpdata-is-not-defined-at-string/) * Hi there, I am seeing this error after last update in lighthouse test.I use cloudflare btw.How can I fix it? * ```wp-block-code ReferenceError: wpData is not defined at String. (https://www.xxxx/wp-content/plugins/ml-slider/assets/metaslider/script.min.js?ver=3.91.0:1:299) at Function.each (https://www.gaming.gen.tr/wp-includes/js/jquery/jquery.min.js?ver=3.7.1:2:3129) at HTMLDocument. (https://www.xxxx/wp-content/plugins/ml-slider/assets/metaslider/script.min.js?ver=3.91.0:1:123) at e (https://www.xxxx/wp-includes/js/jquery/jquery.min.js?ver=3.7.1:2:27028) at t (https://www.xxxx/wp-includes/js/jquery/jquery.min.js?ver=3.7.1:2:27330) ``` Viewing 12 replies - 1 through 12 (of 12 total) * Plugin Author [htmgarcia](https://wordpress.org/support/users/htmgarcia/) * (@htmgarcia) * [1 year, 8 months ago](https://wordpress.org/support/topic/referenceerror-wpdata-is-not-defined-at-string/#post-18031447) * Hi [@roadlink](https://wordpress.org/support/users/roadlink/) * May you elaborate on the update details? Additionally, are you using Gutenberg plugin? * Regards * Thread Starter [roadlink](https://wordpress.org/support/users/roadlink/) * (@roadlink) * [1 year, 8 months ago](https://wordpress.org/support/topic/referenceerror-wpdata-is-not-defined-at-string/#post-18032016) * Hi, This is what I see in console and pagespeed.web.dev website.Both of my websites. I added slider as block but NOT shortcut. * Plugin Author [htmgarcia](https://wordpress.org/support/users/htmgarcia/) * (@htmgarcia) * [1 year, 8 months ago](https://wordpress.org/support/topic/referenceerror-wpdata-is-not-defined-at-string/#post-18033629) - Which WordPress version are you using? - MetaSlider version - Are you using Gutenberg plugin? * If you can share a screenshot of the screen where you see the error, that may help too. You can use [https://imgbb.com/](https://imgbb.com/) * Regards * Thread Starter [roadlink](https://wordpress.org/support/users/roadlink/) * (@roadlink) * [1 year, 8 months ago](https://wordpress.org/support/topic/referenceerror-wpdata-is-not-defined-at-string/#post-18037074) * Hi there, 1. WordPress is Latest. 6.6.2 2. Meta slider is Latest. 3.91.0 3. Yes, Gutenberg blocks plugin is generateblocks. 4. Error can be seen in browser console or here. [https://pagespeed.web.dev/](https://pagespeed.web.dev/) * Plugin Author [Steve Burge](https://wordpress.org/support/users/stevejburge/) * (@stevejburge) * [1 year, 8 months ago](https://wordpress.org/support/topic/referenceerror-wpdata-is-not-defined-at-string/#post-18038759) * Can you share the URL of the site with this issue so we can also run the test and see the problem, please. * Thread Starter [roadlink](https://wordpress.org/support/users/roadlink/) * (@roadlink) * [1 year, 8 months ago](https://wordpress.org/support/topic/referenceerror-wpdata-is-not-defined-at-string/#post-18039999) * Here it is. [link](https://gg2x.short.gy/VKq08f) * Plugin Author [Steve Burge](https://wordpress.org/support/users/stevejburge/) * (@stevejburge) * [1 year, 8 months ago](https://wordpress.org/support/topic/referenceerror-wpdata-is-not-defined-at-string/#post-18041097) * Thanks. I ran that page through [https://pagespeed.web.dev](https://pagespeed.web.dev) and didn’t see mention of the original error. * Thread Starter [roadlink](https://wordpress.org/support/users/roadlink/) * (@roadlink) * [1 year, 8 months ago](https://wordpress.org/support/topic/referenceerror-wpdata-is-not-defined-at-string/#post-18041154) * Hi Steve, Is there any way to reach you by mail? * Plugin Author [Steve Burge](https://wordpress.org/support/users/stevejburge/) * (@stevejburge) * [1 year, 8 months ago](https://wordpress.org/support/topic/referenceerror-wpdata-is-not-defined-at-string/#post-18041239) * Hi [@roadlink](https://wordpress.org/support/users/roadlink/). We do offer email support for our Pro users. For Free users, support is all done here on these forums. * Thread Starter [roadlink](https://wordpress.org/support/users/roadlink/) * (@roadlink) * [1 year, 8 months ago](https://wordpress.org/support/topic/referenceerror-wpdata-is-not-defined-at-string/#post-18041307) * I don’t want to share my personal information while reporting a bug in public. In this case, I will not continue to follow this case. * Plugin Author [Steve Burge](https://wordpress.org/support/users/stevejburge/) * (@stevejburge) * [1 year, 8 months ago](https://wordpress.org/support/topic/referenceerror-wpdata-is-not-defined-at-string/#post-18041312) * OK, thanks [@roadlink](https://wordpress.org/support/users/roadlink/). We’re available to help if there’s any details you’re able to share here. * Plugin Author [htmgarcia](https://wordpress.org/support/users/htmgarcia/) * (@htmgarcia) * [1 year, 8 months ago](https://wordpress.org/support/topic/referenceerror-wpdata-is-not-defined-at-string/#post-18067539) * For reference, we were able to reproduce the issue. A fix is on the way. Viewing 12 replies - 1 through 12 (of 12 total) The topic ‘ReferenceError: wpData is not defined at String.’ is closed to new replies. * ![](https://ps.w.org/ml-slider/assets/icon.svg?rev=3523572) * [Slider, Gallery, and Carousel by MetaSlider - Image Slider, Video Slider](https://wordpress.org/plugins/ml-slider/) * [Frequently Asked Questions](https://wordpress.org/plugins/ml-slider/#faq) * [Support Threads](https://wordpress.org/support/plugin/ml-slider/) * [Active Topics](https://wordpress.org/support/plugin/ml-slider/active/) * [Unresolved Topics](https://wordpress.org/support/plugin/ml-slider/unresolved/) * [Reviews](https://wordpress.org/support/plugin/ml-slider/reviews/) * 12 replies * 3 participants * Last reply from: [htmgarcia](https://wordpress.org/support/users/htmgarcia/) * Last activity: [1 year, 8 months ago](https://wordpress.org/support/topic/referenceerror-wpdata-is-not-defined-at-string/#post-18067539) * Status: resolved