I have an Issue with the official Woocommerce Coupons Plugin, the product page inputs is sadly not working when used with your theme.
After consulting their support team they narrowed the issue down to the following problem caused by your theme plugin:
Can you please resolve this issue produced by your plugin.
The Coupons Field in the product page settings can not be clicked on (see picture attached).
Thanks for contacting us and choosing our product!
Sorry about this issue but maybe this happen when different version of Select 2.
You can disable select 2 in our plugin by go to:
Plugins -> Editor then select Haru Stber Core in the right side.
the go to haru-stber-core/haru-stber-core.php
– Go to line 99 you will see the code like this.
Please comment it and check again: wp_enqueue_script( $this->prefix .'-select2', plugins_url( PLUGIN_HARU_STBER_CORE_NAME.'/admin/assets/plugins/jquery.select2/select2.min.js'), array( 'jquery' ), $this->version, false );
Hope this help you!