XML line exceeds maximum length

An XML feed line is longer than 5,242,880 bytes; Meta requires reformatting with one field per line.

Specific issue affecting how Meta Commerce Manager processes your product data — see the linked official article for the exact mechanism and fix.

1. Open the linked Meta Commerce Manager help article for the specific resolution steps.
2. Identify which products are affected via Commerce Manager → Catalog → Diagnostics.
3. Make the necessary corrections in your product data feed.
4. Re-upload the corrected feed and verify the issue clears in the next processing cycle (typically 4–24 hours).

• Assuming the issue auto-resolves — most issues require active correction