Starbucks ransomware hack forces the company to make schedules manually

A ransomware attack forced a coffee company to switch to manual scheduling for its employees. The attack affected a third-party software used for managing barista schedules. The company is also ensuring that employees are paid correctly by staying in manual mode.

What type of software system was impacted by the ransomware attack?

What is the duration of the manual mode the company plans to stay in?