Title: Compilation Failed Errors
Last modified: January 30, 2020

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# Compilation Failed Errors

 *  Resolved [arnoldgma](https://wordpress.org/support/users/arnoldgma/)
 * (@arnoldgma)
 * [6 years, 3 months ago](https://wordpress.org/support/topic/compilation-failed-errors/)
 * I can’t get this plugin to work. I copied this line from the documentation but
   get an error:
    [rdp-wiki-embed url=’[https://en.wikipedia.org/wiki/United_States_Congress’%5D](https://en.wikipedia.org/wiki/United_States_Congress’%5D)
   Here is the error (this is repeated many times): Warning: preg_match(): Compilation
   failed: invalid range in character class at offset 4 in /…/wp-content/plugins/
   rdp-wiki-embed/bl/simple_html_dom.php on line 1386
 * Maybe I just need to find a website where this plugin is being used properly 
   to embed a wikipedia article. Then I can just copy the working line of code.

Viewing 4 replies - 1 through 4 (of 4 total)

 *  [pixel-2](https://wordpress.org/support/users/pixel-2/)
 * (@pixel-2)
 * [6 years, 3 months ago](https://wordpress.org/support/topic/compilation-failed-errors/#post-12470368)
 * I get the same results/errors 🙁
    Wordpress 5.3.2 PHP 7.3.13 (64bit support)
 * `Warning: preg_match(): Compilation failed: invalid range in character class 
   at offset 4 in .../wp-content/plugins/rdp-wiki-embed/bl/simple_html_dom.php on
   line 1386`
 * edit: I read about issues with PHP 7.3… than I try downgrade to 7.2
    -  This reply was modified 6 years, 3 months ago by [pixel-2](https://wordpress.org/support/users/pixel-2/).
 *  Plugin Author [Robert D Payne](https://wordpress.org/support/users/rpayne7264/)
 * (@rpayne7264)
 * [6 years, 1 month ago](https://wordpress.org/support/topic/compilation-failed-errors/#post-12589682)
 * Please upgrade to version 1.2.16, and let me know if that fixes things.
 *  Plugin Author [Robert D Payne](https://wordpress.org/support/users/rpayne7264/)
 * (@rpayne7264)
 * [5 years, 11 months ago](https://wordpress.org/support/topic/compilation-failed-errors/#post-12933092)
 * c
    -  This reply was modified 5 years, 11 months ago by [Robert D Payne](https://wordpress.org/support/users/rpayne7264/).
 *  Plugin Author [Robert D Payne](https://wordpress.org/support/users/rpayne7264/)
 * (@rpayne7264)
 * [5 years, 11 months ago](https://wordpress.org/support/topic/compilation-failed-errors/#post-12933106)
 * closing issue

Viewing 4 replies - 1 through 4 (of 4 total)

The topic ‘Compilation Failed Errors’ is closed to new replies.

 * ![](https://ps.w.org/rdp-wiki-embed/assets/icon-128x128.png?rev=1616428)
 * [RDP Wiki Embed](https://wordpress.org/plugins/rdp-wiki-embed/)
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 * [Unresolved Topics](https://wordpress.org/support/plugin/rdp-wiki-embed/unresolved/)
 * [Reviews](https://wordpress.org/support/plugin/rdp-wiki-embed/reviews/)

## Tags

 * [compilation](https://wordpress.org/support/topic-tag/compilation/)

 * 4 replies
 * 3 participants
 * Last reply from: [Robert D Payne](https://wordpress.org/support/users/rpayne7264/)
 * Last activity: [5 years, 11 months ago](https://wordpress.org/support/topic/compilation-failed-errors/#post-12933106)
 * Status: resolved