This has been converted into a support ticket and will be answered shortly. Please be aware that problems are more quickly address when they are submitted via tickets rather than forum posts. Thank you.
over 4 years ago
This has been resolved by a software patch to the process which now trims the ASINs.
If an upload is made of an inventory list and there is a space on the leading end of an ASIN, it will not show up properly in inventory and it will link to an invalid ASIN page on Amazon.
It seems to either put in a %20 in front of the ASIN or just a blank space when making the link to the Amazon page.
For example, I have seen both of these happen: