Title: fattal error when I activated the plugin
Last modified: December 2, 2020

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# fattal error when I activated the plugin

 *  Resolved [zoomlord](https://wordpress.org/support/users/zoomlord/)
 * (@zoomlord)
 * [5 years, 4 months ago](https://wordpress.org/support/topic/fattal-error-when-active-the-plugin/)
 * hi when I activated the plugin this error happend to me
 * Fatal error: Uncaught Error: Call to undefined function Carbon_Fields\Helper\
   mb_convert_case() in /home/zoomlor1/public_html/wp-content/plugins/cyberpress/
   vendor/htmlburger/carbon-fields/core/Helper/Helper.php:395 Stack trace: #0 /home/
   zoomlor1/public_html/wp-content/plugins/cyberpress/vendor/htmlburger/carbon-fields/
   core/Field/Group_Field.php(160): Carbon_Fields\Helper\Helper::normalize_label(”)#
   1 /home/zoomlor1/public_html/wp-content/plugins/cyberpress/vendor/htmlburger/
   carbon-fields/core/Field/Group_Field.php(68): Carbon_Fields\Field\Group_Field-
   >set_label(NULL) #2 /home/zoomlor1/public_html/wp-content/plugins/cyberpress/
   vendor/htmlburger/carbon-fields/core/Field/Complex_Field.php(238): Carbon_Fields\
   Field\Group_Field->__construct(‘_’, NULL, Array) #3 /home/zoomlor1/public_html/
   wp-content/plugins/cyberpress/classes/class-posts-settings.php(135): Carbon_Fields\
   Field\Complex_Field->add_fields(Array) #4 /home/zoomlor1/public_html/wp-includes/
   class-wp-hook.php(287): CyberPress_Posts_Settings->cyberpress_carbon_fields_reg
   in /home/zoomlor1/public_html/wp-content/plugins/cyberpress/vendor/htmlburger/
   carbon-fields/core/Helper/Helper.php on line 395
    pls help me thank you
    -  This topic was modified 5 years, 4 months ago by [zoomlord](https://wordpress.org/support/users/zoomlord/).
 * The page I need help with: _[[log in](https://login.wordpress.org/?redirect_to=https%3A%2F%2Fwordpress.org%2Fsupport%2Ftopic%2Ffattal-error-when-active-the-plugin%2F%3Foutput_format%3Dmd&locale=en_US)
   to see the link]_

Viewing 1 replies (of 1 total)

 *  Thread Starter [zoomlord](https://wordpress.org/support/users/zoomlord/)
 * (@zoomlord)
 * [5 years, 3 months ago](https://wordpress.org/support/topic/fattal-error-when-active-the-plugin/#post-13857816)
 * I think that was for some php extensions
    I just enabled the required php extensions
   for WordPress and error fixed maybe not i just try that – and very thanks for
   your help. good job!
    -  This reply was modified 5 years, 3 months ago by [zoomlord](https://wordpress.org/support/users/zoomlord/).

Viewing 1 replies (of 1 total)

The topic ‘fattal error when I activated the plugin’ is closed to new replies.

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## Tags

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

 * 1 reply
 * 1 participant
 * Last reply from: [zoomlord](https://wordpress.org/support/users/zoomlord/)
 * Last activity: [5 years, 3 months ago](https://wordpress.org/support/topic/fattal-error-when-active-the-plugin/#post-13857816)
 * Status: resolved