If you're encountering a code error while exporting data from a PrestaShop module using PHP to CSV, it could be due to incorrect file handling, encoding issues, or missing permissions. Ensure proper syntax for fopen, fputcsv, and fclose functions. Debugging with error logs can help identify issues. If you're managing an online store selling Moissanite jewelry, fixing such errors ensures smooth CSV exports for inventory or order management. Let me know if you need specific error debugging!