Title: Fatal errors on post-new.php
Last modified: January 26, 2026

---

# Fatal errors on post-new.php

 *  [Jake Spurlock](https://wordpress.org/support/users/whyisjake/)
 * (@whyisjake)
 * [4 months ago](https://wordpress.org/support/topic/fatal-errors-on-post-new-php/)
 *     ```wp-block-code
       Error Details=============An error of type E_ERROR was caused in line 280 of the file /srv/htdocs/wp-content/plugins/rest-api-blocks/vendor/imangazaliev/didom/src/DiDom/Document.php. Error message: Uncaught ValueError: DOMDocument::loadHTML(): Argument #1 ($source) must not be empty in /srv/htdocs/wp-content/plugins/rest-api-blocks/vendor/imangazaliev/didom/src/DiDom/Document.php:280Stack trace:#0 /srv/htdocs/wp-content/plugins/rest-api-blocks/vendor/imangazaliev/didom/src/DiDom/Document.php(280): DOMDocument->loadHTML('', 4)#1 /srv/htdocs/wp-content/plugins/rest-api-blocks/vendor/imangazaliev/didom/src/DiDom/Document.php(75): DiDom\Document->load('', false, 'html')#2 /srv/htdocs/wp-content/plugins/rest-api-blocks/src/Data.php(192): DiDom\Document->__construct('')#3 /srv/htdocs/wp-content/plugins/rest-api-blocks/src/Data.php(147): WP_REST_Blocks\Data->extract_value_from_html(Array, '', 51960)#4 /srv/htdocs/wp-content/plugins/rest-api-blocks/src/Data.php(119): WP_REST_Blocks\Data->get_attribute(Array, '', 51960)#5 /srv/htdocs/wp-content/plugins/rest-api-blocks/src/Data.php(76): WP_REST_Blocks\Data->get_block_attrs(Object(WP_Block), Array, 51960)#6 /srv/htdocs/wp-content/plugins/rest-api-blocks/src/Data.php(51): WP_REST_Blocks\Data->handle_do_block(Array, 51960)#7 [internal function]: WP_REST_Blocks\Data->WP_REST_Blocks\{closure}(Array)#8 /srv/htdocs/wp-content/plugins/rest-api-blocks/src/Data.php(50): array_map(Object(Closure), Array)#9 /srv/htdocs/wp-content/plugins/rest-api-blocks/src/Data.php(83): WP_REST_Blocks\Data->process_blocks(Array, 51960)#10 /srv/htdocs/wp-content/plugins/rest-api-blocks/src/Data.php(51): WP_REST_Blocks\Data->handle_do_block(Array, 51960)#11 [internal function]: WP_REST_Blocks\Data->WP_REST_Blocks\{closure}(Array)#12 /srv/htdocs/wp-content/plugins/rest-api-blocks/src/Data.php(50): array_map(Object(Closure), Array)#13 /srv/htdocs/wp-content/plugins/rest-api-blocks/src/Data.php(83): WP_REST_Blocks\Data->process_blocks(Array, 51960)#14 /srv/htdocs/wp-content/plugins/rest-api-blocks/src/Data.php(51): WP_REST_Blocks\Data->handle_do_block(Array, 51960)#15 [internal function]: WP_REST_Blocks\Data->WP_REST_Blocks\{closure}(Array)#16 /srv/htdocs/wp-content/plugins/rest-api-blocks/src/Data.php(50): array_map(Object(Closure), Array)#17 /srv/htdocs/wp-content/plugins/rest-api-blocks/src/Data.php(83): WP_REST_Blocks\Data->process_blocks(Array, 51960)#18 /srv/htdocs/wp-content/plugins/rest-api-blocks/src/Data.php(51): WP_REST_Blocks\Data->handle_do_block(Array, 51960)#19 [internal function]: WP_REST_Blocks\Data->WP_REST_Blocks\{closure}(Array)#20 /srv/htdocs/wp-content/plugins/rest-api-blocks/src/Data.php(50): array_map(Object(Closure), Array)#21 /srv/htdocs/wp-content/plugins/rest-api-blocks/src/Data.php(37): WP_REST_Blocks\Data->process_blocks(Array, 51960)#22 /srv/htdocs/wp-content/plugins/rest-api-blocks/src/Posts.php(94): WP_REST_Blocks\Data->get_blocks('
       ```
   
 * Going to try downgrading, disabling. Thanks amigo.

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 * 0 replies
 * 1 participant
 * Last reply from: [Jake Spurlock](https://wordpress.org/support/users/whyisjake/)
 * Last activity: [4 months ago](https://wordpress.org/support/topic/fatal-errors-on-post-new-php/)
 * Status: not resolved