Issue registering DJM 750 MK2 purchased form a store

Hi 

I purchased a DJM 750 MK2 from a physical store here in South Africa (this is a well-known popular place to buy Pioneer products) when I try to register the product I get an error stating that the format of the serial number is not correct. This is the only product I am having issues with and I have managed to register multiple products.

Thanks in advance