For the WooCommerce Bulk Coupons Editing plugin, you should install the last version of the WordPress and WooCoomerce plugin and iThemeland bulk bundle core (this plugin will be available after that you installed the WooCommerce Bulk Product Bulk Editing)
Do you still have a problem?
If after reading the articles you still think have unanswered questions or need custom work for your plugin, contact iThemeland Support.