PHP Fatal error: Call to a member function update_meta_data() on bool

Hi guys, we have a problem.

[11-May-2020 17:41:25 UTC] PHP Fatal error:  Uncaught Error: Call to a member function update_meta_data() on bool in /wordpress/wp-content/plugins/woocommerce-germanized/packages/woocommerce-trusted-shops/includes/wc-ts-core-functions.php:109
Stack trace:
#0 /wordpress/wp-content/plugins/woocommerce-germanized/packages/woocommerce-trusted-shops/includes/wc-ts-core-functions.php(96): wc_ts_set_crud_meta_data()
#1 /wordpress/wp-content/plugins/woocommerce-germanized/packages/woocommerce-trusted-shops/includes/class-wc-trusted-shops-admin.php(110): wc_ts_set_crud_data()
#2 /wordpress/wp-includes/class-wp-hook.php(288): WC_Trusted_Shops_Admin->save_variation_fields()
#3 /wordpress/wp-includes/class-wp-hook.php(312): WP_Hook->apply_filters()
#4 /wordpress/wp-includes/plugin.php(478): WP_Hook->do_action()
#5 /wordpress/wp-content/plugins/woocommerce/includes/admin/meta-boxes/class-wc-meta-box-product-data.php(541): do_action()
#6 /wordpress/wp-content/plugins/woocommerce/includes/class-wc-ajax.php(2119): WC_Meta_Box_Product_Data::save_variations()
#7 /wordpress/wp-includes/class-wp-hook.php(288): WC_AJAX::save_variations()
#8 /wordpress/wp-includes/class-wp-hook.php(312): WP_Hook->apply_filters()
#9 /wordpress/wp-includes/plugin.php(478): WP_Hook->do_action()
#10 /wordpress/wp-admin/admin-ajax.php(175): do_action()
#11 {main}
  thrown in /wordpress/wp-content/plugins/woocommerce-germanized/packages/woocommerce-trusted-shops/includes/wc-ts-core-functions.php on line 109

Could you please look at it?