Download export log:

1. Open the menu Setup » Markets » Zalando » Settings.
2. Switch to the tab Processing Reports.
3. In the section Export Log, click on Download File ().
   → The CSV file will be generated.
4. Save the CSV file to your computer.
5. Filter the entries by the status error.

6. Check the entries and correct the affected variants in the PlentyONE backend.

   Tip: You can ignore entries with the status Warning.