Get an error when the form is submitted

I have many questions on the site. First, which version of the Contact Form 7 plugin do you use?

Hi. It’s Version 5.8.4

Thanks for the reply

Then why is this form‘s version 5.5.6.1?

Hi. I have no idea. =(

Can help how to resolve this please? Thanks.

• This reply was modified 11 months, 2 weeks ago by startupsfailures.

What other plugins and theme do you use on the site?

Active:
Akismet Anti-spam: Spam Protection
Imagify
Really Simple SSL
WP Mail SMTP
WP Rocket
WPCode Lite
Yoast SEO

Deactivate:
WP Sticky Button – Click to Chat
W3 Total Cache
SSL Insecure Content Fixer
Jetpack
Hello Dolly
EWWW Image Optimizer
Easy HTTPS (SSL) Redirection
Duplicator
Advanced Editor Tools

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