Shopify is one of the most popular eCommerce platforms in the world, known for its ease of use and reliability. But even with its user-friendly interface, merchants sometimes run into technical issues that can disrupt sales and customer experience.

In this guide, we’ll cover the 10 most common Shopify errors, why they happen, and step-by-step solutions to fix them.

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1. Shopify Store Not Loading

Symptoms: The website doesn’t open or shows a loading error.

Possible Causes:

• Shopify server downtime
• DNS misconfiguration
• Heavy theme or app load

How to Fix:

1. Check Shopify Status Page to confirm if there’s a platform outage.
2. Verify domain DNS settings in your Shopify admin.
3. Disable heavy apps or switch to a lighter theme temporarily.

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2. Payment Gateway Errors

Symptoms: Customers can’t complete checkout or payments fail.

Possible Causes:

• Incorrect payment settings
• Gateway (Stripe, PayPal, etc.) downtime
• Currency mismatch

How to Fix:

1. Recheck payment provider settings in Settings → Payments.
2. Ensure your store currency matches the payment gateway configuration.
3. Contact the payment provider for service issues.

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3. Checkout Page Not Working

Symptoms: Customers can’t proceed past checkout.

Possible Causes:

• JavaScript errors from apps/themes
• Outdated theme
• Browser cache issues

How to Fix:

1. Test checkout in Incognito Mode.
2. Temporarily disable recently installed apps.
3. Switch to the default Shopify theme (Dawn) to rule out theme issues.

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4. Products Not Showing on Storefront

Symptoms: Products appear in admin but not on the live store.

Possible Causes:

• Products not set to “Active” status
• Missing collections or visibility settings
• Inventory set to 0

How to Fix:

1. Make sure product status is set to Active.
2. Add products to visible collections.
3. Ensure inventory is greater than 0 and tracking is enabled.

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5. Theme Layout or Design Broken

Symptoms: Layout appears misaligned or elements are missing.

Possible Causes:

• CSS/HTML conflicts after customization
• Unoptimized third-party apps
• Theme update issues

How to Fix:

1. Restore a previous version of your theme.
2. Remove or disable apps that modify your theme’s code.
3. Use Shopify’s “Edit Code” to fix errors or hire a developer for complex issues.

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6. Shipping Rates Not Calculating Correctly

Symptoms: Customers see incorrect shipping costs or no options at checkout.

Possible Causes:

• Incorrect shipping zone setup
• Missing weight/dimensions on products
• Carrier API errors

How to Fix:

1. Double-check Settings → Shipping and Delivery.
2. Add accurate weights and sizes to products.
3. Reconnect or reconfigure your carrier service integration.

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7. Store Speed is Too Slow

Symptoms: Pages take too long to load.

Possible Causes:

• Large images
• Excessive apps
• Complex theme code

How to Fix:

1. Compress images with Shopify’s built-in tools or apps like Crush.pics.
2. Remove unused apps and code snippets.
3. Use Shopify’s built-in Online Store Speed Report to identify issues.

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8. Domain Connection Issues

Symptoms: Custom domain doesn’t connect to your Shopify store.

Possible Causes:

• Incorrect DNS records
• Delay in domain propagation
• Expired domain registration

How to Fix:

1. Ensure A record points to Shopify’s IP and CNAME to shops.myshopify.com.
2. Wait up to 48 hours for changes to propagate.
3. Renew your domain if expired.

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9. Email Notifications Not Sending

Symptoms: Customers don’t receive order confirmations.

Possible Causes:

• Email settings misconfigured
• Spam filter blocking emails
• Shopify email service delays

How to Fix:

1. Check Settings → Notifications for correct email templates.
2. Test with a different email provider (like Gmail).
3. If persistent, use a third-party SMTP app.

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10. App Conflicts Causing Errors

Symptoms: Store features stop working after installing a new app.

Possible Causes:

• App compatibility issues
• Conflicting scripts in theme code

How to Fix:

1. Uninstall the latest app to see if the issue resolves.
2. Contact the app developer for support.
3. Use a staging store to test new apps before going live.

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Final Thoughts

While Shopify is stable and easy to manage, errors can still occur due to misconfigurations, third-party apps, or external service issues. The key is to troubleshoot methodically—start with the most likely cause and work your way down.

💡 Pro Tip: Always back up your theme and settings before making significant changes.