The variation theme specified for SKU [your SKU] is
different from the variation theme that already exists for this
product in the Amazon catalogue. Your variation theme must be
identical to, or include, the existing theme [variation theme]. For
more information, see
that vary by attributes, such as size or colour, require a variation relationship and
variation theme. The product you are trying to upload already has a variation theme
associated with it ("existingTheme" in the error message).
To successfully upload the product, you must use a variation
theme that uses or incorporates this "existingTheme." Example: if the product varies by
Size and Color ("SizeColor" variation), then you must specify a theme that includes both
Size and Color. See Comparison Table for more information about variation
themes. See Creating Product Relationships for more information on
using variation themes.
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