This means that you did not stamp the official seal on the business license. You need to stamp the official seal and then resubmit everything. Note that the scanned copy of the business license should be in color, and the official seal should not cover the company name. It is best to cover the blank space. The username needs to be changed when resubmitting. The previous username can no longer be used. I have just completed my application, and I applied back and forth several times before I was successful.