You may get the message 'Please select a vehicle for over allowance' when bringing a vehicle into stock.
The reason for this is because there is a difference in the purchase price and the stand in value.
To have a scenario like this, the assumption is that another vehicle will be in the deal so you have 2 options:
You can either select a vehicle at the bottom of the screen to post the over allowance to
Or ensure that the purchase price and stand in value match.
This video will describe this