What can be changed to improve the roster process

/in /by

There was a complaint on Friday night.

•The host of the Fundraising function complained that there was not enough staff for the guest to get a drink on arrival. Some guests waited an unacceptable 30 min for a drink.
•Give two detailed recommendations of what can be changed to improve the roster process and ensure the issue does not arise again.
•One recommendations needs to be for the supervisor on the day, and one for the roster manager.