Title: Debugging in WordPress
Last modified: January 4, 2021

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# Debugging in WordPress

 *  [adriannajel](https://wordpress.org/support/users/adriannajel/)
 * (@adriannajel)
 * [5 years, 5 months ago](https://wordpress.org/support/topic/debugging-in-wordpress-3/)
 * Hello guys!
 * I really need a help with my error in wordpress.
    I started to work at my website,
   and when i trying to change the template apperad an error. Someone can help? 
   🙂
 * This is the error:
 * Fatal error: Uncaught Error: Class ‘kallem_latest_posts’ not found in /home/server266470/
   ftp/server266470.nazwa.pl/wp/wp-includes/class-wp-widget-factory.php:61 Stack
   trace: #0 /home/server266470/ftp/server266470.nazwa.pl/wp/wp-includes/widgets.
   php(115): WP_Widget_Factory->register(‘kallem_latest_p…’) #1 /home/server266470/
   ftp/server266470.nazwa.pl/wp/wp-content/plugins/tw_custom_post_types/tw_custom_post_types.
   php(282): register_widget(‘kallem_latest_p…’) #2 /home/server266470/ftp/server266470.
   nazwa.pl/wp/wp-includes/class-wp-hook.php(287): kallem_widget_init(”) #3 /home/
   server266470/ftp/server266470.nazwa.pl/wp/wp-includes/class-wp-hook.php(311):
   WP_Hook->apply_filters(”, Array) #4 /home/server266470/ftp/server266470.nazwa.
   pl/wp/wp-includes/plugin.php(478): WP_Hook->do_action(Array) #5 /home/server266470/
   ftp/server266470.nazwa.pl/wp/wp-includes/widgets.php(1773): do_action(‘widgets_init’)#
   6 /home/server266470/ftp/server266470.nazwa.pl/wp/wp-includes/class-wp-hook.php(
   287): wp_widgets_init(”) #7 /home/server26647 in /home/server266470/ftp/server266470.
   nazwa.pl/wp/wp-includes/class-wp-widget-factory.php on line 61
 * The page I need help with: _[[log in](https://login.wordpress.org/?redirect_to=https%3A%2F%2Fwordpress.org%2Fsupport%2Ftopic%2Fdebugging-in-wordpress-3%2F%3Foutput_format%3Dmd&locale=en_US)
   to see the link]_

Viewing 3 replies - 1 through 3 (of 3 total)

 *  [Joy](https://wordpress.org/support/users/joyously/)
 * (@joyously)
 * [5 years, 5 months ago](https://wordpress.org/support/topic/debugging-in-wordpress-3/#post-13862697)
 * You have a plugin tw_custom_post_types that is registering a widget kallem_latest_posts
   that doesn’t exist.
 *  Thread Starter [adriannajel](https://wordpress.org/support/users/adriannajel/)
 * (@adriannajel)
 * [5 years, 5 months ago](https://wordpress.org/support/topic/debugging-in-wordpress-3/#post-13871645)
 * Joy – thank you for your replay.
    Yes, i was trying to change the kallem template
   to the other one. Do you know how to fix this problem?
 * Thank you so much,
    Best regards!
 *  [Joy](https://wordpress.org/support/users/joyously/)
 * (@joyously)
 * [5 years, 5 months ago](https://wordpress.org/support/topic/debugging-in-wordpress-3/#post-13872788)
 * No, you should ask either the plugin author or the theme author.

Viewing 3 replies - 1 through 3 (of 3 total)

The topic ‘Debugging in WordPress’ is closed to new replies.

## Tags

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

 * In: [Fixing WordPress](https://wordpress.org/support/forum/how-to-and-troubleshooting/)
 * 3 replies
 * 2 participants
 * Last reply from: [Joy](https://wordpress.org/support/users/joyously/)
 * Last activity: [5 years, 5 months ago](https://wordpress.org/support/topic/debugging-in-wordpress-3/#post-13872788)
 * Status: not resolved

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