Negative Order Quantities on Job

I have Ordered products directly onto my job and received them all, but now I am showing negative Products, why is this happening?

Solution

When the Products are linked to the Order and then receipted onto the job, the system is looking at the Ordered quantity and the receipted quantity.  If there is a discrepancy then this will be reflected back on to the job.

I have ordered 10 Products but received 12, that shows -2 owing to the job, as above.  

To fix,  right click on the ordered product in the Job and Open Purchase Order 

Make the Ordered Quantity the same as the Processed quantity, this will remove the products that are outstanding on the job. Select Process when finished.

The job will not show any outstanding products.