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# Error: Amazon Attribute is required but not supplied - Amazon Marketplace Plus

## Error Message:


||| Unit Count type is required but not supplied.


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## Why this error occurs

When exporting products in **creation mode**, some **required fields** may be missing from the profile.

This typically happens when:

* A field you’ve added (e.g. quantity, weight) **requires an additional attribute** (e.g. unit of measure)
* That attribute (like "grams", "kilograms", etc.) appears **dynamically** after selecting another field
* A required field is missing or has not been added/filled in yet

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## Example

![Complementary Fields – Image](https://storage.crisp.chat/users/helpdesk/website/-/3/f/a/8/3fa8ee645cd13200/screenshot1727_eke2sj.jpg)

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## How to fix the error

1. Open your **profile** in the module  
2. Go to the **Optional available fields** tab  
3. Find and add any **required complementary fields** (if not already present)  
4. Select the **expected value** (e.g. unit type)  
5. Save the profile

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## Good to know

These fields are **mandatory**, even if they do **not appear immediately** when the profile is first loaded.

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## Conclusion

* Always check for complementary fields that appear dynamically
* Don’t rely only on initially visible fields
* Use the *Optional available fields* tab to complete your profile as needed