I am using version 1.2.9 on M2.4.2 but the extension is not working properly.
The product page, try to show the Box but is not showing properly.
The root of the issue is from the conflict with module Bss_MultiStoreViewPricingTierPrice since two modules rewrite the same block \Magento\Swatches\Block\Product\Renderer\Configurable
To solve the issue, we have created a custom module with adding these files
Please apply these changes to the site.
If you need any further support, please feel free to contact us.
We're always willing to support you.