Shopify Shipping Issue Fix

I'm facing a critical issue with my Shopify store where shipping is not applying at checkout for all products. This problem arose after I updated my shipping settings.

Ideal Skills and Experience:
- Extensive experience with Shopify
- Proficient in troubleshooting shipping issues
- Knowledgeable about Shopify shipping settings and configurations
- Previous experience in fixing similar issues

Please, bid only if you are a Shopify expert and can troubleshoot and fix this issue promptly.