Error message: Uncaught ValueError: Path cannot be empty in

When seeking help with this issue, you may be asked for some of the following information:
WordPress version 6.7.1
Active theme: SIU (version 1.0.0)
Current plugin: User Registration & Membership (version 4.0)
PHP version 8.1.31

Error Details
=============
An error of type E_ERROR was caused in line 8058 of the file /var/www/html/wp-content/plugins/user-registration/includes/functions-ur-core.php. Error message: Uncaught ValueError: Path cannot be empty in /var/www/html/wp-content/plugins/user-registration/includes/functions-ur-core.php:8058
Stack trace:
#0 /var/www/html/wp-content/plugins/user-registration/includes/functions-ur-core.php(8058): file_get_contents(”)
#1 /var/www/html/wp-includes/class-wp-hook.php(324): ur_find_my_account_in_custom_template(‘0’, 5)
#2 /var/www/html/wp-includes/plugin.php(205): WP_Hook->apply_filters(‘0’, Array)
#3 /var/www/html/wp-content/plugins/user-registration/includes/functions-ur-core.php(3329): apply_filters(‘user_registrati…’, ‘0’, 5)
#4 /var/www/html/wp-content/plugins/user-registration/includes/admin/notifications/class-ur-admin-notices.php(103): ur_find_my_account_in_page(5)
#5 /var/www/html/wp-includes/class-wp-hook.php(324): UR_Admin_Notices::user_registration_install_pages_notice(”)
#6 /var/www/html/wp-includes/class-wp-hook.php(348): WP_Hook->apply_filters(NULL, Array)
#7 /var/www/html/wp-includes/plugin.php(517): WP_Hook->do_action(Array)
#8 /var/www/html/wp-admin/admin-ajax.php(45): do_action(‘admin_init’)
#9 {main}
  thrown