Failed runs must not be blindly retried.
Check Activity Log and API response.
Determine whether Magento/BC has already created a target object.
Verify IDs and dashboard links.
Fix the root cause.
Repeat the smallest sub-process.
The app checks for existing Magento IDs and BC documents. Protection can fail if link fields are missing or have been manually changed.
Some data is store-specific while other data represents global BC master data. Verify the Web Store Code in the dashboard, mappings, and logs.
The catalog routine for website_ids does not filter uniquely by Web Store Code everywhere in version 27.10.0.16. Test product websites particularly carefully when using multiple stores.
Do not start parallel runs for the same shop and area.
