Price diagnostics
How to fix a Google Merchant Center price mismatch
Find feed-side price defects, then align the submitted price, landing page, structured data, currency, and active sale timing.
Read the fix guide →Troubleshooting library
Google Merchant Center feed error guides
Diagnose common product-data issues, understand what the warning means, and follow a practical correction checklist grounded in Google’s published requirements.
FeedGuardrail checks the file in your browser. It does not access your Merchant Center account or claim that a local result guarantees approval.
Ten focused fixes
Choose the diagnostic you see
Reviewed August 25, 2026
Product identifiers
How to fix a missing or incorrect GTIN in Google Merchant Center
Choose the manufacturer-assigned GTIN when one exists, or submit the correct brand, MPN, and identifier_exists combination.
Read the fix guide →Availability diagnostics
How to fix mismatched availability in Google Merchant Center
Align availability across the product feed, selected variant, landing page, structured data, checkout, and regional shipping settings.
Read the fix guide →Catalog identity
How to fix duplicate product IDs in a Google Merchant feed
Give each distinct product and variant a stable ID, while keeping the same ID for the same offer across supported targets.
Read the fix guide →Image diagnostics
How to fix image_link errors in Google Merchant Center
Check required image URLs, supported formats, crawl access, redirects, server responses, and whether the image actually shows the product.
Read the fix guide →Brand and MPN
How to fix a missing brand or MPN in Google Merchant Center
Submit the real product brand and manufacturer-assigned MPN, or use identifier_exists only when unique product identifiers genuinely do not exist.
Read the fix guide →Product condition
How to fix an invalid condition value in Google Merchant Center
Use the exact supported condition value and make sure it accurately describes the product sold on the landing page.
Read the fix guide →Currency consistency
How to fix inconsistent currency in Google Merchant Center
Align the ISO currency in product data with the default landing-page price and a currency the customer can use through checkout.
Read the fix guide →Variant grouping
How to fix item_group_id and duplicate variant errors
Give each variant a unique product ID, group true siblings with one stable item_group_id, and submit distinct variant attributes.
Read the fix guide →Product titles
How to fix product titles that are too long or get truncated
Stay within 150 characters, move decisive product details into the first 70, and remove promotional or gimmicky text.
Read the fix guide →Check the feed before resubmitting.
Run deterministic checks locally, then use the relevant guide to verify the storefront and account-level steps the file alone cannot prove.