Amazon bulk bata entry using amazon excel template
===

I'm try ing to upload 15K+ product on Amazon.com using their excel template. My issue is if the product is already in amazon ASINs it wouldn't let me to upload it and it show me error like 

> BK200CH4X6-1700	8042	Error	SKU 'BK200CH4X6-1700' could correspond to
> multiple ASINs in the Amazon catalog. Please review the possible
> matches below.   If your product is the same as the product on one of
> these detail pages, please modify your product data to reflect the
> Amazon catalog values and resubmit. If your product is different than
> what is on these detail pages, please provide more data and resubmit. 
> ASIN B0053D7HJQ  'color' Merchant value: 'Chocolate' Amazon catalog
> value: 'Chocolate, Olive, Rust'.   ASIN B006V19I96  'size' Merchant
> value: '3'6"x5'6"' Amazon catalog value: '3'-6 x 5'-6'.   For details,
> see http://sellercentral.amazon.com/gp/errorcode/8042

What I found out is this UPC number is already in amazon list but I cannot go through 15K+ product detail and change their information to match with amazon. I wonder if there is any hack or any solution to this.

I would really appreciate any help.