Point of Sale Cash Payment Issues Version 7.502

[PO, Returns. Etc.]

Hello,

Is anyone else having an issue when recalling an order, that contains a backorder and when trying to apply a cash payment, the money is returned to the customer instead of being collected? Running a walk in, retail lighting store, that "backorders" merchandise all the time,  This is such a nuisance that we cannot provide customers with a proper receipt because SE wasn't "built" to take money this way.  The system is telling me we owe the customer money and therefore won't accept the payment. 

I need to be able to take a deposit and than at time customers will add more items, so they need to provide more of a deposit or want to pay in full, but because the item(s) are not "in stock". I cannot carry out this basic function. 

Please tell me I'm not crazy and this is a normal situation to have. I have not been successful by putting in a support ticket and the technicians basically refuse to offer any insight, 

- Frustrated 

Background information:

I've been using Stoneedge since 2014. Only using the POS function since July 2017 (yes it took 3 years to set up) 

Selling lighting & home decor on our own website, on 12 marketplaces and retail store. We do carry our own inventory, order from stocking vendors and do alot of drop shipping. Very familiar with how Stoneedge "works'.