AutoListings Causes Fatal Error When Viewing WordPress Users

The AutoListings plugin is throwing the error detailed below on the /wp-admin/users.php page. Please advise on how this error can be fixed. Thank you.

WordPress version 5.7.2
Plugin version: Auto Listings (version 2.5.14)
PHP version 7.4.18

In the WordPress Dashboard, I navigated to Users > All Users. When the list of all users displayed, I clicked on the Administrator link to view all current admin users, and the following error was displayed in the User area:
Fatal error: Uncaught Error: Call to undefined function AutoListings\Admin\auto_listings_seller_listings_count() in /home/customer/www/.../public_html/wp-content/plugins/auto-listings/src/Admin/SellerColumns.php:51 Stack trace: #0 /home/customer/www/.../public_html/wp-includes/class-wp-hook.php(292): AutoListings\Admin\SellerColumns->show('', 'listings', 1) #1 /home/customer/www/.../public_html/wp-includes/plugin.php(212): WP_Hook->apply_filters('', Array) #2 /home/customer/www/.../public_html/wp-admin/includes/class-wp-users-list-table.php(592): apply_filters('manage_users_cu...', '', 'listings', 1) #3 /home/customer/www/.../public_html/wp-admin/includes/class-wp-users-list-table.php(403): WP_Users_List_Table->single_row(Object(WP_User), '', '', 0) #4 /home/customer/www/.../public_html/wp-admin/includes/class-wp-list-table.php(1359): WP_Users_List_Table->display_rows() #5 /home/customer/www/.../public_ht in /home/customer/www/.../public_html/wp-content/plugins/auto-listings/src/Admin/SellerColumns.php on line 51

The automatic WordPress plugin failure email included the following stack trace:
Error Details
=============
An error of type E_ERROR was caused in line 51 of the file /home/customer/www/…/public_html/wp-content/plugins/auto-listings/src/Admin/SellerColumns.php. Error message: Uncaught Error: Call to undefined function AutoListings\Admin\auto_listings_seller_listings_count() in /home/customer/www/…/public_html/wp-content/plugins/auto-listings/src/Admin/SellerColumns.php:51
Stack trace:
#0 /home/customer/www/…/public_html/wp-includes/class-wp-hook.php(292): AutoListings\Admin\SellerColumns->show(”, ‘listings’, 1)
#1 /home/customer/www/…/public_html/wp-includes/plugin.php(212): WP_Hook->apply_filters(”, Array)
#2 /home/customer/www/…/public_html/wp-admin/includes/class-wp-users-list-table.php(592): apply_filters(‘manage_users_cu…’, ”, ‘listings’, 1)
#3 /home/customer/www/…/public_html/wp-admin/includes/class-wp-users-list-table.php(403): WP_Users_List_Table->single_row(Object(WP_User), ”, ”, 0)
#4 /home/customer/www/…/public_html/wp-admin/includes/class-wp-list-table.php(1359): WP_Users_List_Table->display_rows()
#5 /home/customer/www/…/public_ht

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