Please help me to correct these sentences

As for the new code you taken for the received items in the stores, was not chronologically order, and also, there are some codes found missing in your list which the images already been uploaded. First we have to take the code for the items in the stock, then give the code for the ordered items in that case we should start with the next available code from the first batch which is 150500 otherwise it will be difficult to maintain and trace the stock code and location of the items.