Issues adding items to cart on mobile

Store Design
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Topic summary

Mobile shoppers report intermittent failures when adding items to the cart on therealdill.com. Symptoms include a browser error page stating “A problem repeatedly occurred on https://therealdill.com/cart/add,” then after refresh “Something went wrong. Parameter Missing or Invalid”; other times the page refreshes with no cart update until a second tap triggers the error.

Proposed causes center on a theme/app conflict or a JavaScript (JS) error. Recommended triage:

  • Disable recently added cart-related apps and retest.
  • Duplicate the theme and test with Shopify’s default Dawn theme to isolate the issue.
  • Open the browser console (F12 on Chrome) to identify cart script errors.
  • Review custom code in cart.liquid and cart.js; revert to defaults if uncertain.

Status: No fix confirmed yet; troubleshooting is pending. Next steps are to follow the above isolation steps or engage an expert if in-house debugging is not feasible.

Summarized with AI on December 14. AI used: gpt-5.
2

@therealdill ,

This issue is likely caused by either a theme or app conflict, or a JavaScript error. Here’s how to fix it:

  1. Check for App Conflicts: Disable recently installed apps that interact with the cart and test again.

  2. Test in a Fresh Theme: Duplicate your theme and test with Shopify’s default Dawn theme to isolate the issue.

  3. Debug Javascript: Open the browser console (F12 on Chrome) on mobile to identify errors. Look for cart-related scripts failing.

  4. Review Cart Template: Ensure no customizations in cart.liquid or cart.js are causing errors. Revert to default if unsure.

    or you need to hire an expert to this, let me know if I can assist you with that. Thanks

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