Beaver Builder hangs on publish and cannot edit the page anymore

I’m experiencing an issue where, when publishing a page, it gets stuck and never publishes, and the page can not be edited again. Whenever I try to edit the page in Beaver Builder, it displays the below error.

WordPress
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WordPress Address
https://operationwidev.wpenginepowered.com

Site Address
https://operationwidev.wpenginepowered.com

IP
127.0.0.1

WP Version
6.9

WP Debug
No

FL Debug
Yes

FL Modsec Fix
No

SSL Enabled
Yes

Language
en_US

Multisite
No

WordPress memory limit
512M

Post Counts
----------------------------------------------

WordPress Posts
22

WordPress Pages
18

WordPress Media
668

WordPress Revisions
17

WordPress Templates
0

WordPress Template Parts
0

WordPress Global Styles
0

WordPress Navigation Menus
0

WordPress Font Families
0

WordPress Font Faces
0

WordPress Taxonomies
0

WordPress Post Types
1

WordPress Options Pages
0

WordPress Media Clips
4

WordPress Field Groups
0

WordPress Fields
0

WordPress Code
0

Builder Templates
17

WordPress Builder History
19

History States

63 History states across 17 Layouts, Average 4

Menus
----------------------------------------------

Total Menus
1

Main Navigation
16

Theme Locations
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Themes
----------------------------------------------

Active Theme
Beaver Builder Child Theme - v1.0
Parent Theme: bb-theme

Child Theme includes folder detected.
/nas/content/live/operationwidev/wp-content/themes/bb-theme-child/includes/

Child Theme Functions
<?php

// Defines
define( 'FL_CHILD_THEME_DIR', get_stylesheet_directory() );
define( 'FL_CHILD_THEME_URL', get_stylesheet_directory_uri() );

// Classes
require_once 'classes/class-fl-child-theme.php';

// Actions
add_action( 'wp_enqueue_scripts', 'FLChildTheme::enqueue_scripts', 1000 );

// add editor the privilege to edit theme
// get the the role object
$role_object = get_role( 'editor' );
// add $cap capability to this role object
$role_object->add_cap( 'edit_theme_options' );

Plugins
----------------------------------------------

Active Plugins
Adminimize - version 1.11.11 by WP Media.
Advanced Custom Fields PRO - version 6.7.0.2 by WP Engine.
All in One SEO - version 4.9.3 by All in One SEO Team.
Beaver Builder Plugin (Starter Version) - version 2.10.0.5 by The Beaver Builder Team.
Beaver Themer - version 1.5.2.1-20251125200437 by The Beaver Builder Team.
Better Search Replace - version 1.4.10 by WP Engine.
Google Analytics Dashboard for WP (GADWP) - version 8.11.1 by ExactMetrics.
Gravity Forms - version 2.9.25 by Gravity Forms.
Hummingbird - version 3.18.1 by WPMU DEV.
Site Kit by Google - version 1.170.0 by Google.
Smart Slider 3 - version 3.5.1.32 by Nextend.
Smush - version 3.23.1 by WPMU DEV.
Ultimate Addons for Beaver Builder - version 1.36.16 by Brainstorm Force.
White Label CMS - version 2.7.8 by www.videousermanuals.com.
WPConsent - version 1.1.2 by WPConsent.
WP Consent API - version 2.0.0 by WordPress Contributors.

Unactive Plugins


Must-Use Plugins
Force Strong Passwords - WPE Edition version 1.8.0 by Jason Cosper
WP Engine Cache Plugin version 1.3.0 by WP Engine
WP Engine Seamless Login Plugin version 1.6.1 by WP Engine
WP Engine Security Auditor version 1.1.1 by wpengine
WP Engine System version 6.6.0 by WP Engine
WP Engine Update Source Selector version 1.1.5 by WP Engine

PHP
----------------------------------------------

PHP SAPI
fpm-fcgi

PHP JSON Support
yes

PHP Memory Limit
512M

PHP Version
8.4.15

Post Max Size
100M

Max Upload Size
50M

PHP Max Input Vars
10000

PHP Max Execution Time
43300

Display Errors
Disabled

Curl
7.81.0 - OpenSSL/3.0.2

PCRE Backtrack Limit ( default 1000000 )
1000000

PCRE Recursion Limit ( default 100000 )
100000

BB Products
----------------------------------------------

Beaver Builder
2.10.0.5 - Previous 2.9.4.2

Beaver Themer
1.5.2.1-20251125200437

Beaver Theme
1.7.19.1

Assistant
1.5.3.1 (bundled)

Modules
----------------------------------------------

Disabled Modules
social-buttons

Enabled Modules
accordion
audio
box
button
button-group
callout
contact-form
content-slider
countdown
cta
gallery
heading
html
icon
icon-group
list
login-form
map
menu
numbers
photo
post-carousel
post-grid
post-slider
pricing-table
rich-text
search
separator
sidebar
slideshow
star-rating
subscribe-form
tabs
testimonials
video

Cache Folders
----------------------------------------------

Beaver Builder Cache Path
/nas/content/live/operationwidev/wp-content/uploads/bb-plugin/cache/

Beaver Builder Path writable
Yes

Beaver Theme Cache Path
/nas/content/live/operationwidev/wp-content/uploads/bb-theme/

Beaver Theme Path writable
Yes

WordPress Content Path
/nas/content/live/operationwidev/wp-content

License
----------------------------------------------

Beaver Builder License
Active

Domain Active
Yes

Available Downloads
Beaver Builder Plugin (Starter Version)
Beaver Themer
Beaver Builder Theme
Beaver Builder Child Theme

Advanced Options
----------------------------------------------

Responsive iFrame UI: Enabled
Outline Panel: Enabled
Inline Editing: Enabled
What's New: Enabled
Remember last used tab: Enabled
Custom Row Shapes: Enabled
Enable Code Settings: Enabled
Limit WP revisions for layouts: Disabled
Revisions Limit: Enabled
Limit the amount of undo/redo history in Builder UI: Disabled
History Limit: Enabled
Mod Security fix: Disabled
Add Filtering Option : Enabled
Show duplicate action links in post/page list view: Enabled
Show duplicate action link in WP Admin Bar: Disabled
Google Fonts: Enabled
Google Fonts Auto Update: Enabled
Font Awesome: Enabled
Prefer GD for image cropping: Disabled
Render CSS/JS assets inline: Disabled
Show advanced module usage: Disabled
Small Data Mode: Disabled
Node Labels: Enabled
Render shortcodes in CSS/JS: Disabled
ACF Blocks: Enabled
Collapse All Settings: Disabled
Load Theme Colors: Disabled
Load WordPress Colors: Disabled
Force Module Wrapper Divs: Disabled

Server
----------------------------------------------

MySQL Version
8.0.43

MySQL Max Allowed Packet
16MB

MySQL Database Size
125MB

PostMeta DB Collation
utf8mb4_unicode_520_ci

DB_CHARSET
utf8

DB_COLLATE
utf8_unicode_ci

Server Info
nginx

htaccess files
----------------------------------------------

/nas/content/live/operationwidev/.htaccess


# BEGIN WordPress
# The directives (lines) between "BEGIN WordPress" and "END WordPress" are
# dynamically generated, and should only be modified via WordPress filters.
# Any changes to the directives between these markers will be overwritten.
<IfModule mod_rewrite.c>
RewriteEngine On
RewriteRule .* - [E=HTTP_AUTHORIZATION:%{HTTP:Authorization}]
RewriteBase /
RewriteRule ^index\.php$ - [L]
RewriteCond %{REQUEST_FILENAME} !-f
RewriteCond %{REQUEST_FILENAME} !-d
RewriteRule . /index.php [L]
</IfModule>

# END WordPress