Title: Class ‘WP_Widget_Block’ not found
Last modified: July 27, 2021

---

# Class ‘WP_Widget_Block’ not found

 *  [saiyyed](https://wordpress.org/support/users/saiyyed/)
 * (@saiyyed)
 * [4 years, 10 months ago](https://wordpress.org/support/topic/class-wp_widget_block-not-found/)
 * Everything is working just fine but when i updated my website to latest version
   then this error is coming WP_Widget_Block not found so i checked if there is 
   any file missing so i download latest wordpress files and replace them manually
   but same issue then i replace files of previous version then site is working 
   again but i want to update my site to latest version can you help me to solve
   this issue thanks
 * The page I need help with: _[[log in](https://login.wordpress.org/?redirect_to=https%3A%2F%2Fwordpress.org%2Fsupport%2Ftopic%2Fclass-wp_widget_block-not-found%2F%3Foutput_format%3Dmd&locale=en_US)
   to see the link]_

Viewing 1 replies (of 1 total)

 *  [Simrandeep Singh](https://wordpress.org/support/users/simrandeep/)
 * (@simrandeep)
 * [4 years, 10 months ago](https://wordpress.org/support/topic/class-wp_widget_block-not-found/#post-14704832)
 * Hi [@saiyyed](https://wordpress.org/support/users/saiyyed/)
 * The error may be coming from an outdated WordPress plugin. Try disabling all 
   the plugins once and see if the error is gone.

Viewing 1 replies (of 1 total)

The topic ‘Class ‘WP_Widget_Block’ not found’ is closed to new replies.

## Tags

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

 * In: [Fixing WordPress](https://wordpress.org/support/forum/how-to-and-troubleshooting/)
 * 1 reply
 * 2 participants
 * Last reply from: [Simrandeep Singh](https://wordpress.org/support/users/simrandeep/)
 * Last activity: [4 years, 10 months ago](https://wordpress.org/support/topic/class-wp_widget_block-not-found/#post-14704832)
 * Status: not resolved

## Topics

### Topics with no replies

### Non-support topics

### Resolved topics

### Unresolved topics

### All topics