Title: js_composer warming / error
Last modified: March 4, 2020

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# js_composer warming / error

 *  [maurizioiconic](https://wordpress.org/support/users/maurizioiconic/)
 * (@maurizioiconic)
 * [6 years, 3 months ago](https://wordpress.org/support/topic/js_composer-warming-error/)
 * When I save a newpost/pages I have the following error:
 * Warning: preg_match_all(): Compilation failed: invalid range in character class
   at offset 11 in /home/iconictr/public_html/wp-content/plugins/js_composer/include/
   autoload/hook-vc-grid.php on line 163
 * Warning: Cannot modify header information – headers already sent by (output started
   at /home/iconictr/public_html/wp-content/plugins/js_composer/include/autoload/
   hook-vc-grid.php:163) in /home/iconictr/public_html/wp-admin/post.php on line
   223
 * What Can I do?
 * thanks

Viewing 1 replies (of 1 total)

 *  [binfor](https://wordpress.org/support/users/binfor/)
 * (@binfor)
 * [6 years, 2 months ago](https://wordpress.org/support/topic/js_composer-warming-error/#post-12578627)
 * I have the same problem:
 * Warning: preg_match_all(): Compilation failed: invalid range in character class
   at offset 11 in /wp-content/plugins/js_composer/include/autoload/hook-vc-grid.
   php on line 162
 * Warning: Cannot modify header information – headers already sent by (output started
   at /wp-content/plugins/js_composer/include/autoload/hook-vc-grid.php:162) in /
   homepages/23/d803211740/htdocs/mengoconsultores/wp-includes/pluggable.php on 
   line 1251
 * Can the PHP version of the plugin fail?
    The theme I installed is no longer supported
   and has no updates. How can I just update the plugin? Thank you.

Viewing 1 replies (of 1 total)

The topic ‘js_composer warming / error’ is closed to new replies.

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## Tags

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

 * 1 reply
 * 2 participants
 * Last reply from: [binfor](https://wordpress.org/support/users/binfor/)
 * Last activity: [6 years, 2 months ago](https://wordpress.org/support/topic/js_composer-warming-error/#post-12578627)
 * Status: not resolved