Walmart Error: Malformed Data

The "Malformed Data" error on Walmart Marketplace indicates that the data provided for a product listing does not adhere to the required format or contains invalid entries. This error can arise from various issues such as incorrect data types, missing required fields, improper use of special characters, or invalid attribute values. Proper formatting and accurate data entry are crucial for ensuring that product listings are processed correctly and comply with Walmart’s guidelines.

Common Causes of Malformed Data Errors:

1. Incorrect Data Formats: Data not adhering to Walmart’s required formats, such as date formats, numerical values, or text fields.
2. Missing Required Fields: Omitting essential data fields necessary for the product listing.
3. Invalid Attribute Values: Providing attribute values that do not match Walmart’s accepted standards.
4. Special Characters and Encoding Issues: Improper use of special characters or encoding problems that corrupt the data.
5. Bulk Upload Issues: Errors in bulk upload files where data fields are improperly formatted or incomplete.
6. Manual Entry Errors: Mistakes during manual entry of product data leading to malformed entries.

To resolve the "Malformed Data" error on Walmart Marketplace, follow these steps:

1. Review Walmart’s Data Requirements:
   • Review Walmart’s guidelines and documentation to understand the required data formats, fields, and standards for product listings.
   • Ensure that all required fields are included and correctly formatted.
2. Identify and Correct Malformed Data:
   • Check your product listings for any malformed data entries. Look for fields that do not match the required format or contain invalid values.
   • Common areas to check include dates, numerical values, text fields, and attribute values.
3. Ensure Proper Data Formats:
   • Verify that all data fields are formatted correctly. For example, dates should follow the correct format, numerical values should be accurate, and text fields should not exceed character limits.
   • Use consistent formatting across all listings to avoid discrepancies.
4. Validate Attribute Values:
   • Ensure that all attribute values match Walmart’s accepted values. Double-check for any typographical errors or mismatches in attribute values.
   • Refer to Walmart’s documentation for a list of accepted attribute values.
5. Optimize Bulk Upload Files:
   • If using bulk upload tools, review and correct your CSV or Excel files to ensure all data fields are properly formatted and complete.
   • Use Walmart’s bulk upload templates and validation tools to ensure compliance before submission.
6. Manual Entry Checks:
   • For individual product listings, manually enter all required data fields accurately. Ensure that the data is complete and correctly formatted.
   • Double-check for any errors or omissions in manual entries.
7. Avoid Special Characters and Encoding Issues:
   • Ensure that special characters are used correctly and that there are no encoding issues that could corrupt the data.
   • Use plain text or appropriate encoding formats to avoid problems with special characters.
8. Refresh and Resubmit:
   • After making the necessary corrections, refresh the product listing page and attempt to save or resubmit the listing.
   • Verify that the error has been resolved and that the listing is successfully updated.
9. Clear Browser Cache and Cookies:
   • Clear your browser’s cache and cookies to ensure that you are viewing the most recent version of your listing.
   • Try using an incognito or private browsing mode to see if the issue persists.
10. Contact Walmart Support:
    • If you’ve tried all the above steps and still encounter issues, contact Walmart Marketplace support for assistance. Provide detailed information about the error and the steps you’ve taken to resolve it.
    • Engage with Walmart seller forums and communities to seek advice from other sellers who might have faced similar issues.