How do I fix the duplicate Brand critical issue for Google Merchant?

Technical Q&A

Topic summary

Issue: Google Merchant Center flagging products with a critical “duplicate Brand” error after theme updates or when using certain apps.

Root Cause: Multiple sources generating JSON-LD structured data with duplicate "@type": "Brand" fields—typically from both the Shopify theme and third-party SEO/review apps running simultaneously.

Apps Identified as Culprits:

  • SEO Manager ($20/month)
  • SeoAnt
  • Strong SEO (now offers duplicate prevention feature)
  • Judge.me (review app)
  • Schema Plus

Solutions Found:

Quick Fix: Uninstalling the conflicting SEO or review app immediately resolved the error for most users.

Judge.me Specific: Disable “Add JSON-LD snippets” under Marketing and Social > Google and SEO > SEO Rich Snippets, then revalidate in Google Search Console.

Alternative: Keep one JSON-LD source (preferably the SEO app if it includes priceValidUntil and other rich snippet fields) and remove duplicate code from the theme.

Edge Case: One user found a “featured product” widget on product pages caused duplication.

Status: Multiple confirmed solutions; Strong SEO now provides built-in duplicate prevention. Users should audit which apps/theme elements generate structured data and ensure only one source outputs Brand fields.

Summarized with AI on October 30. AI used: claude-sonnet-4-5-20250929.
21

Hi,
I wish you all the best.

First, let me answer your concern about the “Duplicate field brand” issue.
Your website has two “@type”: “Brand” codes, so your website will still be considered “Duplicate field brand” by google search console.

I suggest you keep the JSON LD of SEOManager app.

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Because the JSON LD of your website theme does not write the priceValidUntil field code, there will be a Field ‘priceValidUntil’ not filled (non-fatal) warning, so you can delete the JSON LD code of the theme.

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I hope it helps you.