I'm trying to list my first product as FBA, but get the following message which requires me to upload a Amazon exemption sheet. I have uploaded 4 times over the last two weeks but nothing happens! Online Chat just told me to upload it again, but still nothing happens. How do I get this resolved?

Product Under Hazmat Review:

This product has completed dangerous goods (Hazmat) review but could not be classified. Additional information is required in order to classify this product. Please safety data sheet or an Amazon exemption sheet.