When creating variations, you must provide information in these required fields:
SKU
Parentage (identify for that SKU, either "parent" or "child")
Parent SKU (for child SKUs only, enter the parent SKU for that child)
Relationship Type (enter "variation" if the product is part of a variation set)
Color – if appropriate
Size – if appropriate
Variation Theme (size or color or size-color; for size-color the size and color fields must both have values)
Note: If you enter the Relationship Type and fail to enter the color or size, you might receive an error when uploading your data, or your product might not display properly on the website. Make sure you have entered all required variation fields for your products. If you fail to enter any of the required fields, your products could be suppressed from the website. If you have questions, please contact technical support.