Amazon Listing Errors: Error 90118: The value exceeds the maximum number of bytes allowed: 40

Error Description

The "Error 90118: The value exceeds the maximum number of bytes allowed: 40" error indicates that the value entered for a specific attribute exceeds the byte limit of 40 bytes set by Amazon. This limit might apply to fields such as SKU, ASIN, product codes, or other short text attributes. Each character in the value can consume more than one byte, especially if special characters or non-ASCII characters are used.

Common Causes:

Exceeding Byte Limits: Entering text that, when converted to bytes, exceeds the 40-byte limit.
Incorrect Data Entry: Not adhering to Amazon’s guidelines for byte limits.
Special Characters: Using special or non-ASCII characters that consume more bytes than standard ASCII characters.

Error Solution

To resolve the "Error 90118: The value exceeds the maximum number of bytes allowed: 40," follow these steps:

Identify the Attribute with the Exceeding Value:
- Review the error message details in Amazon Seller Central to identify the specific attribute and the value causing the issue.
- Note the SKU and the attribute that contains the value exceeding the byte limit.
Verify Byte Requirements:
- Refer to Amazon’s guidelines to determine the byte limits for the specific attribute.
- Ensure you understand the specific requirements and limits for the attribute in question.
Edit the Exceeding Value:
- Access your inventory file or the specific product listing.
- Edit the text in the attribute field to reduce the number of bytes to 40 or fewer.

Example Corrections:

Shorten the text to fit within the 40-byte limit.
Remove any special or non-ASCII characters that consume additional bytes.

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 within the allowed byte limits.
Submit the Corrected Data:
- Prepare a new inventory file with the edited 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.
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.
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.
Educate Your Team:
- Train your team on Amazon’s requirements for attribute values and byte limits.
- Provide guidelines and resources to help them stay updated with Amazon’s requirements.

Pro Tip

Advanced Strategies for Managing Byte Limits on Amazon

Develop a Comprehensive Data Management System:
- Implement a robust data management system to centralize and manage all product information, including byte limits for 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 exceeding byte limits.
Create Standard Operating Procedures (SOPs):
- Develop and document SOPs for entering and managing product data. These procedures should include steps for verifying byte limits, 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.
Regular Training and Updates:
- Provide ongoing training for your team on Amazon’s standards for byte limits and the importance of concise data entry. Ensure they understand the impact of exceeding byte limits on listing visibility and performance.
- Keep your team informed about any updates or changes in Amazon’s guidelines through regular briefings or training sessions.
Conduct Periodic Data Audits:
- Schedule regular audits of your product listings to ensure compliance with Amazon’s byte limit requirements. Use audit reports to identify and correct any discrepancies.
- Implement corrective actions based on audit findings to prevent recurring issues.
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.
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.
Monitor Product Performance Metrics:
- Regularly monitor the performance metrics of your listings to identify any potential issues related to byte limits. 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.
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 exceeding byte limits.
Stay Updated with Amazon’s Policies:
- Regularly review Amazon’s policies and guidelines regarding product listings and byte limits. 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.
Professional Consultation:
- If you face ongoing challenges with managing byte limits, 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 byte limits, minimize the risk of "Error 90118: The value exceeds the maximum number of bytes allowed: 40," 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.

View error on Amazon

Amazon Error: 90118 Error 90118: The value exceeds the maximum number of bytes allowed: 40

Error Description

Error Solution

Pro Tip

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