Reported by Teddhy Bamba https://mifosforge.jira.com/browse/MIFOSX-2783
In cash management, we need to allocate money to cashier before starting transactions. however, using the mifosx 16.05.01 you can easilly make transactions when there is no allocation or not enough money allocated without any constraint... This is a critical organisational and security issue.
The net cash amount from teller should not be Negative.