Hi I have been trying to add the eBay item number: 224731199194 (which is correct!) all day? The message that I keep receiving when trying to add the item in BidSlammer is: Item number appears to be incorrect - This is not the case. Can you help? Thank you:-)

Hello Natalie,
Thank you for your question about adding an item number. This is happening because you don't have a valid authorization with us. Please go to BidSlammer Preferences and renew your authorization, and it will work.
Please let us know if you have any other questions, or require other assistance. We are happy to help.