Error message: Uncaught Error: Call to undefined method settings_tabs_field::adm

I am getting the same error and i am using only post grid free plugin. I don’t have pro and i am not using another plugins from yours. In backend i can’t able to click anything. when i click post grid in backend i am getting this error as well “There has been a critical error on your website. Please check your site admin email inbox for instructions.” the error is same what we have in the topic initially. In backend i can’t able to click visual and text tab post edit. Nothing works. the site is live and i would you to help me to resolve this issue please.

Here is the error i am getting :

Error Details
=============
An error of type E_ERROR was caused in line 605 of the file /home/yalefisher/public_html/patient/wp-content/plugins/post-grid/includes/classes/class-meta-boxes.php. Error message: Uncaught Error: Call to undefined method settings_tabs_field::admin_scripts() in /home/yalefisher/public_html/patient/wp-content/plugins/post-grid/includes/classes/class-meta-boxes.php:605
Stack trace:
#0 /home/yalefisher/public_html/patient/wp-admin/includes/template.php(1345): post_grid_meta_boxs->post_options_display(Object(WP_Post), Array)
#1 /home/yalefisher/public_html/patient/wp-admin/edit-form-advanced.php(677): do_meta_boxes(Object(WP_Screen), ‘normal’, Object(WP_Post))
#2 /home/yalefisher/public_html/patient/wp-admin/post.php(206): require(‘/home/yalefishe…’)
#3 {main}
thrown