waitress name does not appear on Orders Window

[hellodesi]

Kindly any one can answer, why i not getting waitress name show to me on Orders window, where i can see Order Number, Time and date, order amount, server name, all is okay, but name of waitress is not shown to me. even i am choosing waitress name when taking order. column of waitress name is also there on order window, but waitress name does not appear.
kindly any way or solution, why i name does not appear???

[rossitapas]

Log in as admin then g to configuration \ preferences \ order buttons and select 'show choose waitress'