Emails stuck in queue

Hi there, my emails are stuck in the queued state for two of my websites. The issue started on Thursday morning and has not yet been resolved. Here is the diagnostic info for my one site:

site_url(): https://thevelvetcakeco.com
home_url(): https://thevelvetcakeco.com
Web Server: nginx/1.16.1
WordPress: 6.6.1
WP Locale: en_US
PHP: 7.4.33
PHP Memory Limit: 512M
WP Memory Limit: 40M
Memory Usage: 24 MB
WP Max Upload Size: 512 MB
PHP Time Limit: 360
PHP Error Log:
MySQL: 8.0.30
Database Name: OOm_velvet_electricegg_site
Table Prefix: wp_
ext/mysqli: yes
cURL: 7.58.0
OpenSSL: OpenSSL 1.1.1 11 Sep 2018
fsockopen: Enabled
allow_url_fopen: Enabled
Zlib Compression: Enabled
Basic Auth: Disabled
Proxy: Disabled
Blocked External HTTP Requests: None

Send Mail Using SES: On
Enqueue Only: Off
Enable Open Tracking: Off
Enable Click Tracking: Off
Region: eu-west-2
Log Duration: 90
Instantly Remove Successfully Sent Emails From The Log: Off
Remove Successfully Re-sent Failed Emails From The Log (Pro only): Off

WP Cron: Enabled
Alternate WP Cron: Disabled
Last Run: 16:54:45 2024-08-07 UTC
Next Scheduled: 16:55:43 2024-08-07 UTC
Queued: 391
Failures: 110

WPOSES_SETTINGS: Not defined
WPOSES_LICENCE: Not defined
AWS_USE_EC2_IAM_ROLE: Not defined

WP_DEBUG: No
WP_DEBUG_LOG: Yes
WP_DEBUG_DISPLAY: Yes
SCRIPT_DEBUG: No
WP_CONTENT_DIR: /var/www/thevelvetcakeco.com/htdocs/wp-content
WP_CONTENT_URL: https://thevelvetcakeco.com/wp-content
UPLOADS: Not defined
WP_PLUGIN_DIR: /var/www/thevelvetcakeco.com/htdocs/wp-content/plugins
WP_PLUGIN_URL: https://thevelvetcakeco.com/wp-content/plugins

Active Theme Name: Avada Child
Active Theme Version: 1.0.0
Active Theme Folder: Avada-Child-Theme
Parent Theme Name: Avada
Parent Theme Version: 7.11.7
Parent Theme Folder: Avada

Active Plugins:
Adminimize (v1.11.11) by WP Media
Advanced Custom Fields PRO (v6.2.9) by WP Engine
All 404 Pages Redirect to Homepage (v2.0) by Geek Code Lab
Avada Builder (v3.11.7) by ThemeFusion
Avada Core (v5.11.7) by ThemeFusion
Cookie Notice & Compliance for GDPR / CCPA (v2.4.16) by Hu-manity.co
Core Rollback (v1.3.5) by Andy Fragen
Easy Forms for Mailchimp (v6.9.0) by Code Parrots
FiboSearch - AJAX Search for WooCommerce (v1.27.0) by FiboSearch Team
Formidable Forms (v6.9.1) by Strategy11 Form Builder Team
Formidable Forms Pro (v6.9.2) by Strategy11
Formidable MailChimp (v2.06) by Strategy11
GTM4WP - A Google Tag Manager (GTM) plugin for WordPress (v1.20.2) by Thomas Geiger
Kadence WooCommerce Email Designer (v1.5.12) by Kadence WP
LoginPress (v3.0.7) by LoginPress
MC4WP: Mailchimp for WordPress (v4.9.13) by ibericode
Mailchimp for WooCommerce (v4.0.2) by Mailchimp
PDF Invoices & Packing Slips for WooCommerce (v3.8.2) by WP Overnight
PayJustNow for WooCommerce (v2.3) by PayJustNow (Pty) Ltd.
Payflex Payment Gateway (v2.5.0) by Payflex
Popup Maker (v1.19.0) by Popup Maker
Print Invoice & Delivery Notes for WooCommerce (v4.9.0) by Tyche Softwares
Redirection (v5.4.2) by John Godley
ShopMagic for WooCommerce (v4.2.14) by WP Desk
Side Cart WooCommerce (v2.5) by XootiX
Simple Custom Post Order (v2.5.7) by Colorlib
Simple History (v4.15.1) by P?r Thernstr?m
Slider Revolution (v6.3.3) by ThemePunch
Smash Balloon Instagram Feed (v6.3.1) by Smash Balloon
SnapScan Online Payments (v1.5.17) by
UpdraftPlus - Backup/Restore (v1.24.3) by UpdraftPlus.Com, DavidAnderson
WP Offload SES Lite (v1.7.0) by Delicious Brains
WooCommerce (v8.9.3) by Automattic
WooCommerce Advanced Product Labels (v1.2.5.3) by BeRocket
WooCommerce Delivery & Pickup Date Time Pro (v1.4.32) by CodeRockz
WooCommerce Google Product Feed (v7.9.5) by Ademti Software Ltd.
WooCommerce InStore Gateway (v1.0.0) by Barry Roodt - Jumptag Web Development
WooCommerce Order Status Manager (v1.13.2) by SkyVerge
WooCommerce Pay Now Gateway (v2.0.0) by Gateway Modules
WooCommerce Payfast Gateway (v1.6.5) by WooCommerce
WooCommerce Product Add-ons (v3.0.34) by WooCommerce
WooCommerce SnapScan Gateway (v1.1.12) by WooCommerce
Yoast SEO (v22.7) by Team Yoast
Yoco Payments (v3.6.0) by Yoco

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