PHP Fatal error: Uncaught Error: Call to a member function get()

Plugin (v2.3.1) randomly generates this error.

[07-May-2024 04:11:32 UTC] PHP Fatal error:  Uncaught Error: Call to a member function get() on null in /home/public_html/wp-content/plugins/adroll-for-woocommerce-stores-dev/adroll-for-woocommerce.php:308
Stack trace:
#0 /home/public_html/wp-content/plugins/adroll-for-woocommerce-stores-dev/adroll-for-woocommerce.php(415): AdRoll_For_WooCommerce->get_products_added_to_cart()
#1 /home/public_html/wp-content/plugins/adroll-for-woocommerce-stores-dev/pixel.php(8): AdRoll_For_WooCommerce->get_global_vars()
#2 /home/public_html/wp-content/plugins/adroll-for-woocommerce-stores-dev/adroll-for-woocommerce.php(49): include_once('...')
#3 /home/public_html/wp-includes/class-wp-hook.php(324): AdRoll_For_WooCommerce->wp_footer_action_callback()
#4 /home/public_html/wp-includes/class-wp-hook.php(348): WP_Hook->apply_filters()
#5 /home/public_html/wp-includes/plugin.php(517): WP_Hook->do_action()
#6 /home/public_html/wp-includes/general-template.php(3066): do_action()
#7 /home/public_html/wp-content/themes/uptimemonster/footer.php(148): wp_footer()
#8 /home/public_html/wp-includes/template.php(810): require_once('...')
#9 /home/public_html/wp-includes/template.php(745): load_template()
#10 /home/public_html/wp-includes/general-template.php(92): locate_template()
#11 /home/public_html/wp-content/themes/uptimemonster/404.php(112): get_footer()
#12 /home/public_html/wp-includes/template-loader.php(106): include('...')
#13 /home/public_html/wp-blog-header.php(19): require_once('...')
#14 /home/public_html/index.php(17): require('...')
#15 {main}
  thrown in /home/public_html/wp-content/plugins/adroll-for-woocommerce-stores-dev/adroll-for-woocommerce.php on line 308