Why Aren’t Shopify Discounts Combining at Checkout?
Shopify discounts do not combine automatically. Each discount must allow the right combination classes and still satisfy eligibility rules at checkout.
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Troubleshooting
Shopify answers, setup guides, troubleshooting checklists, release explainers, and common setup misunderstandings.
Why Does Shopify Search Show Unrelated Products?
Shopify storefront search checks more than product titles. Unrelated results usually match hidden text in tags, descriptions, vendors, types, variants, or indexed data.
Why Isn’t a Shopify Checkout UI Extension Showing?
A Checkout UI extension must be installed, deployed, available to the store, and added to the checkout editor or the right target. Deployment alone is not enough.
Why Does an ERP Inventory Sync Keep Causing Shopify Overselling?
ERP inventory syncs can cause overselling when they overwrite Shopify Available quantities instead of syncing the right location and inventory state.
Why Won’t Shopify Redirect /account/login to a Custom Page?
Shopify controls customer-account routes. New customer accounts redirect legacy URLs automatically, and URL Redirects are not the right tool for overriding login.
Why Doesn’t JavaScript Work in Shopify Notification Emails?
Shopify notification emails support Liquid for rendering content, not browser JavaScript. Use Liquid conditions or link customers to an interactive page.
Why Does the Shopify Checkout Button Do Nothing?
A Shopify checkout button that does nothing usually points to broken cart form markup, JavaScript errors, an app conflict, or a cart drawer event issue.
Why Can’t Shopify Customer Tags Be Updated From the Storefront?
Customer tags are admin-side data. Do not try to edit them directly from Liquid or unauthenticated JavaScript; use Flow or an authenticated app backend.
Why Isn’t a Shopify Custom Pixel Firing?
A Shopify custom pixel that looks connected but does not fire usually has a consent, sandbox, event subscription, or duplicate-pixel problem.
Why Are Shopify Flow Variables Blank After “Get Order Data”?
Flow variables from Get order data can be blank because the action returns a list. Use For each or loop through the returned data before sending it elsewhere.