If you receive an import failure notification with the below error message, follow the troubleshooting steps in this article. 

Error message: Custom Field: ___ does not exist in this store

Our system cannot find the field that was entered in the Mappings > Custom Field box. The field entered does not match the data. To find the correct Field ID in NetSuite:

1. Log into your NetSuite account
2. Find a product using this field
3. In the product details page, click on the field.  A new window will open with the Field ID information at the bottom-right.
4. If you cannot find the Field ID, ask a GoDataFeed support team member to reference the error log which shows all the custom field IDs found in your store.