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# Troubleshooting syncing issues between Wholecell and Shopify

This guide covers the common steps to troubleshoot syncing issues between Wholecell and Shopify when using Stock Sync.

Common checks when quantities do not match:

1. Provide a sample SKU
   If quantities appear incorrect, first select at least one SKU that is showing different values between Wholecell and Shopify. Support will compare this SKU between your feed, the API response, and Shopify.

2. Verify the SKU exists in both locations
   Only SKUs that exist in both the feed file and your Shopify store will be updated. Unmatched or discontinued SKUs will remain unchanged.

3. Review your feed configuration
   If a SKU shows an incorrect value in Shopify, check the feed file generated from Wholecell. Sometimes the feed may show 0 even though Wholecell shows a higher quantity. Support may refresh or fix the feed if needed.

4. Confirm Wholecell's available value
   If a Shopify quantity does not match your expectation, verify the current available quantity in Wholecell. Providing a screenshot helps determine if the discrepancy is from Wholecell, the API response, or the feed mapping.

6. Update frequency limits
   The fastest scheduled update interval supported is one hour, available only on the Expert plan. It is not possible to schedule an update every 3–5 minutes.

If discrepancies continue, share one or more sample SKUs and screenshots from Wholecell with support to compare against the latest sync logs.