Customer is not able to uncheck the "Allow negative inventory" option at warehouse from store MC
Product version:
iVend 6.6 7915
Problem statement:
Customer reported that he is not able to uncheck the "Allow negative inventory" option in warehouse from store MC
Cause:

This is as per standard functionality.
Proposed Solution/Workaround:

To make desired change it need to be triggered at Enterprise Server.
So to achieve same, Go the Enterprise Setting at Enterprise Management Console and uncheck the option "Allow Negative Inventory" setting