Amazon Error: 90147 Error 90147: A ‘manufacturer_minimum_age#1

The "Error 90147: A ‘manufacturer_minimum_age#1’ value is missing or invalid" occurs when the value for the manufacturer_minimum_age attribute is either not provided or does not meet Amazon’s formatting or value requirements.
Common Errors
Error 90147: A ‘manufacturer_minimum_age#1

Error Description

The "Error 90147: A ‘manufacturer_minimum_age#1’ value is missing or invalid" error indicates that the manufacturer_minimum_age attribute, which specifies the minimum age recommended by the manufacturer for the product, is either missing or incorrectly formatted. This attribute is crucial for products like toys, games, and other items where age appropriateness is important.

Common Causes:

  1. Missing Value: The manufacturer_minimum_age attribute is not filled in.
  2. Incorrect Data Format: The value is not formatted correctly according to Amazon’s requirements.
  3. Invalid Value: The value does not fall within the acceptable range or uses an incorrect unit of measurement (e.g., months instead of years).

Error Solution

To resolve the "Error 90147: A ‘manufacturer_minimum_age#1’ value is missing or invalid," follow these steps:

  1. Identify the Missing or Invalid Attribute:
    • Review the error message details in Amazon Seller Central to identify the specific attribute and the SKU causing the issue.
  2. Verify Attribute Requirements:
    • Refer to Amazon’s guidelines to understand the correct format and acceptable values for the manufacturer_minimum_age attribute.
    • Typically, this attribute should be an integer followed by a unit (e.g., months or years).
  3. Correct the Attribute Value:
    • Access your inventory file or the specific product listing.
    • Ensure the manufacturer_minimum_age attribute is filled in correctly.
    • Use a value that meets Amazon’s format, such as 3 years or 36 months.

Example Corrections:

  • If the value is missing, add an appropriate value, such as 3 years.
  • If the value is incorrectly formatted (e.g., just 3), correct it to include the unit, such as 3 years.
  1. Use Amazon’s Templates:
    • Ensure you are using the correct category-specific templates provided by Amazon.
    • These templates help ensure that each attribute is populated with values in the correct format.
  2. Submit the Corrected Data:
    • Prepare a new inventory file with the corrected attribute values.
    • Use Amazon’s bulk upload tools to submit the corrected inventory file.
    • Validate the file before uploading to ensure it meets Amazon’s requirements.
  3. Monitor and Verify Updates:
    • After submission, monitor the status of your SKU updates in Amazon Seller Central.
    • Verify that the error is resolved and that the listing is active without issues.
  4. Implement Data Validation Checks:
    • Integrate data validation checks in your inventory management system to prevent future occurrences of this error.
    • Use automated tools to validate and verify the correctness of product data before submitting listings.
  5. Educate Your Team:
    • Train your team on Amazon’s requirements for attribute values and how to correctly format them.
    • Provide guidelines and resources to help them stay updated with Amazon’s requirements.

Pro Tip

Advanced Strategies for Managing Age Attributes on Amazon

  1. Develop a Comprehensive Data Management System:
    • Implement a robust data management system to centralize and manage all product information, including age-related attributes. Such systems help ensure data accuracy, consistency, and compliance with Amazon's guidelines.
    • Utilize software that integrates with Amazon’s API to automate the synchronization of product data, minimizing the risk of incorrect age attributes.
  2. Create Standard Operating Procedures (SOPs):
    • Develop and document SOPs for entering and managing product data. These procedures should include steps for verifying age attributes, using the correct templates, and validating data before submission.
    • Regularly update these SOPs to reflect any changes in Amazon’s requirements or your internal processes.
  3. Regular Training and Updates:
    • Provide ongoing training for your team on Amazon’s standards for age attributes and the importance of accurate data entry. Ensure they understand the impact of incorrect age attributes on listing visibility and performance.
    • Keep your team informed about any updates or changes in Amazon’s guidelines through regular briefings or training sessions.
  4. Conduct Periodic Data Audits:
    • Schedule regular audits of your product listings to ensure compliance with Amazon’s age attribute requirements. Use audit reports to identify and correct any discrepancies.
    • Implement corrective actions based on audit findings to prevent recurring issues.
  5. Utilize Amazon’s Tools and Resources:
    • Take advantage of the tools and resources provided by Amazon, such as inventory templates and validation tools, to ensure your product data is complete and compliant.
    • Use Amazon’s Seller Central support and forums to stay informed about best practices and common issues faced by other sellers.
  6. Engage with the Seller Community:
    • Participate in Amazon seller forums and communities to share experiences and learn from other sellers. Engage in discussions about data management and compliance to gain insights and best practices.
    • Attend webinars, workshops, and events hosted by Amazon or industry experts to enhance your understanding and skills.
  7. Monitor Product Performance Metrics:
    • Regularly monitor the performance metrics of your listings to identify any potential issues related to age attributes. Use performance reports to track the impact of accurate data management on sales and visibility.
    • Address any performance issues promptly to maintain compliance and optimize your listings.
  8. Implement Automated Solutions:
    • Consider implementing automated solutions or software that can assist in managing product data. These tools can help validate data, automate updates, and integrate with your inventory management system.
    • Evaluate the benefits of such solutions to determine if they can enhance your data management processes and reduce the risk of incorrect age attributes.
  9. Stay Updated with Amazon’s Policies:
    • Regularly review Amazon’s policies and guidelines regarding product listings and age attributes. Stay informed about any changes or updates that may affect your listings.
    • Subscribe to Amazon’s newsletters and follow their seller blogs to receive the latest information and updates.
  10. Professional Consultation:
    • If you face ongoing challenges with managing age attributes, consider seeking professional consultation from experts specializing in Amazon compliance and data management.
    • Professional consultants can provide tailored advice, help navigate complex issues, and improve your overall data management practices.

By adopting these advanced strategies, sellers can effectively manage age attributes, minimize the risk of "Error 90147: A ‘manufacturer_minimum_age#1’ value is missing or invalid," and ensure accurate and compliant product listings on Amazon. Proper data management not only prevents errors but also enhances the visibility, searchability, and overall performance of your products on the platform.

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