Shopify error fixes
that actually fix it.
High-intent fixes for common Shopify, Liquid, and theme errors. Every page ranks the likely causes by frequency, gives you a 30-second diagnostic to find which one applies, and shows the exact fix: including the code where one is needed.
Variant picker not working
The picker stops updating price, image, or the hidden variant ID. Usually an app conflict. Five ranked causes, a console diagnostic, and a rebinder snippet.
- Dawn 12+
- Horizon
- Most OS 2.0
Cart drawer not updating
Items are added but the drawer count, totals, or line items don't refresh. Five ranked causes, a console diagnostic, and a refresher that re-renders via the Section Rendering API.
- Dawn 12+
- Horizon
- Most OS 2.0
Metafields not showing on product page
Metafield values exist in admin but render blank or as [object Object]. Five ranked causes, a Liquid debug dump, and a type-aware renderer for rich text, lists, and references.
- Dawn 12+
- Horizon
- All OS 2.0
Custom Liquid not working in section
A Custom Liquid block renders empty or with broken markup. Five ranked causes covering forbidden tags, syntax errors, variable scope, and schema escaping: plus a safe-Liquid wrapper snippet.
- Dawn 12+
- Horizon
- All OS 2.0
App block not appearing in theme editor
An installed app's block is missing from the Add block menu. Five ranked causes covering app embeds, target mismatch, @app schema, template scope, and per-theme installs: plus a 2-minute checklist.
- Dawn 12+
- Horizon
- All OS 2.0
Cart drawer mobile flicker
The drawer stutters, jumps, or closes immediately on mobile when scrolling. Five ranked causes covering 100vh, resize event loops, and scroll-lock conflicts: plus a CSS dvh fix.
- Dawn 12+
- Horizon
- All OS 2.0
Theme editor save loop
The theme customiser reloads endlessly or fails to save changes. Five ranked causes covering invalid JSON schemas, app embed conflicts, and broken section IDs.
- Dawn 12+
- Horizon
- All OS 2.0
Product image not loading
Main image or thumbnails show a blank space, a broken icon, or load indefinitely. Five ranked causes covering lazy-loading conflicts, missing aspect ratios, and format errors.
- Dawn 12+
- Horizon
- All OS 2.0
Search not finding products
Predictive search or the search page returns no results for active products. Five ranked causes covering unpublished status, search index delays, and broken Liquid parameters.
- Dawn 12+
- Horizon
- All OS 2.0
Checkout extension not appearing
An installed checkout UI extension doesn't show up in the checkout editor or live site. Five ranked causes covering Shopify Plus requirements, target mismatch, and draft status.
- Checkout Ext
- Shopify Plus
Have a Shopify error not listed?
Send the symptom and the theme. We diagnose, fix, and write up the cause. Your fix becomes the next page in this database. If you have theme access, we can usually fix it the same day.