I user Magento 2.3.4 Enterprise Edition and module v1.2.3.
It works fine with the product has multiples option (size, colour, ..., etc) but if I create a product with one option (for example, size) only. It doesn't show the button Notify Me button for child product out of stock as below:
Please tell me how to fix this?
To fix this error, please edit file app/code/Bss/ProductStockAlert/Plugin/Helper/ConfigurableHelper.php as below: