Error on certain pages

Hello..
First thank you very much for the plugin.
I had installed it on my site which I was developing along with Contact Form 7.
But I suddenly get this error on some pages:

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I checked error log and saw this with today’s date:

[14-Aug-2020 06:32:45 UTC] PHP Fatal error:  Uncaught Error: Call to a member function prop() on null in /home/.../wp-content/plugins/cf7-grid-layout/public/class-cf7-grid-layout-public.php:332
Stack trace:
#0 /home/.../wp-includes/class-wp-hook.php(289): Cf7_Grid_Layout_Public->cf7_shortcode_request('[contact-form-7...', 'contact-form-7', Array)
#1 /home/.../wp-includes/plugin.php(206): WP_Hook->apply_filters('[contact-form-7...', Array)
#2 /home/.../wp-includes/shortcodes.php(355): apply_filters('do_shortcode_ta...', '[contact-form-7...', 'contact-form-7', Array, Array)
#3 [internal function]: do_shortcode_tag(Array)
#4 /home/.../wp-includes/shortcodes.php(218): preg_replace_callback('/\\[(\\[?)(contac...', 'do_shortcode_ta...', '[contact-form-7...')
#5 /home/.../wp-content/themes/../contact-forms/cs_layout2.php(47): do_shortcode('[contact-form-7...')
#6 /home/.../wp-content/p in /home/.../wp-content/plugins/cf7-grid-layout/public/class-cf7-grid-layout-public.php on line 332

I am not sure if the error is related to CF7 plugin.. (apologies if it isn’t) but it goes away once I deactivate the plugin.
Strangely this error only happens on some pages. I am just starting on with my site. Only the homepage is done which shows no errors. But when I click on some other pages to edit (with elementor) this error comes up.
I’m not a WordPress expert.. Kindly help if you can.
Thanks a lot.
I disable

• This topic was modified 5 years, 9 months ago by wpusr1.