Purchasing a different variant won't work

Topic summary

  • Issue: On Shopify product pages, selecting a different product variant (e.g., size or color) causes the Add to Cart button to become disabled/blanked. The initial variant loads normally with an active button.

  • Steps to reproduce: Open a product page and view the default variant. Change to another variant; the Add to Cart button then appears greyed out and unusable.

  • Evidence: A screenshot (“Problem.png”) is provided showing the disabled button after switching variants. The image is central to understanding the symptom.

  • Scope: The problem occurs specifically when moving away from the default variant on product pages.

  • Request: The poster is asking for help diagnosing and fixing the behavior.

  • Status: No suggested causes, troubleshooting steps, or solutions have been provided yet. The issue remains open and unresolved.

Summarized with AI on January 10. AI used: gpt-5.

Could someone please help me. I am having an issue with my product pages. When I go to select another variant to purchase that isn’t the one that first pops up when I click on the product the add to cart button becomes blanked as shown below. Could someone help thanks.