Item link exceeds 511 characters

Pinterest caps the link field at 511 characters. Error 142 fires when a URL is longer, usually because of bloated UTM parameters or session tokens, and the row is blocked.

Marketing teams often pile on tracking parameters (utm_source, utm_campaign, gclid, fbclid, affiliate IDs, A/B-test cookies) until the URL crosses the limit. The same can happen when product URLs include long category breadcrumbs or unique session IDs that should never have made it into a feed.

1. Identify rows where length(link) exceeds 511 characters.
2. Strip non-essential tracking - keep only utm_source, utm_medium, utm_campaign at most.
3. Move shopper-specific session IDs out of the catalog URL and into post-click tracking.
4. Use a URL shortener only when it preserves the canonical destination.
5. Resubmit the feed and confirm error 142 clears.

• Adding multiple redundant tracking layers (Google + Pinterest + affiliate + first-party)
• Encoding the entire JSON cart payload into the URL
• Including the Pinterest tag inside the catalog URL - it should fire client-side