Incorrect arguments. Usage:
    php  shopsku name description supplierReference photoFilename photoFiletype photoFilepath [clientReference...]
Where:
   photoFilename is the name of the attachment file (reference only)
   photoFiletype is the MIME type of the attachment file (e.g., image/jpg)
   photoFilepath is the path to the file on the local computer
   clientReference (optional) you may specify up to four separate references